15 Best M.2 2230 Nvme SSDs, Compared
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Upgrading a compact device requires finding a compatible m2 2230 nvme SSD that matches your system slot and interface requirements. The KIOXIA 128GB M.2 2230 NVMe SSD leads the group because its 30 mm form factor and PCIe NVMe interface provide dedicated storage for space-constrained installations.
We compared 15 products using the specifications published on their official listings. This guide helps you decide which drive delivers the right capacity, interface generation, and physical fit for your hardware upgrade.
Quick picks
The best fit for you
- You need a low-capacity M.2 2230 replacement drive KIOXIA 128GB M.2 2230 NVMe SSD This drive provides 128GB of internal storage in a compact 30 mm M.2 2230 form factor.
- You want high storage capacity with fast Gen4 speeds TEAMGROUP MP44S 2TB PCIe 4.0 M.2 2230 SSD It offers 2TB capacity, SLC caching, and up to 5,000 MB/s read speeds over PCIe 4.0.
- You want a 1TB drive using TLC flash memory Samsung PM991a 1TB M.2 2230 NVMe SSD It pairs 1TB capacity and TLC NAND with PCIe 3.0 read speeds reaching 3,100 MB/s.
- You require an entry-capacity drive with high endurance ratings Computer Upgrade King 256GB Gen4 M.2 2230 SSD It provides a 180 TBW endurance rating and 3,500 MB/s write speeds with 256GB capacity.
Our 15 picks
KIOXIA 128GB M.2 2230 NVMe SSD
Best for: compact, low-capacity M.2 2230 installations
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 128 GB
- Interface
- PCIe NVMe
- Dimensions
- 6 × 4 × 1 inches
- Weight
- 0.32 ounces
This Kioxia internal drive provides an M.2 2230 form factor with an NVMe PCIe interface and 128 GB of storage capacity. It ships in OEM packaging and weighs 0.02 pounds. You will find this solid state drive suitable if you need a compact storage unit for small host devices that accept 30 mm drives. It suits basic operating system installations or lightweight storage needs where low capacity matches your specific hardware setup.
Pros
- M.2 2230 compact form factor
- PCIe NVMe interface
- Lightweight at 0.02 pounds
Cons
- Limited 128 GB storage capacity
- OEM packaging without retail accessories
Good fit if
- You need an M.2 2230 NVMe drive for compact host devices.
- You require 128 GB of storage for lightweight configurations.
Skip if
- You require storage capacities greater than 128 GB.
- You prefer boxed retail packaging over an OEM pack.
Verdict: Kioxia 128GB M.2 2230 NVMe SSD delivers a 30 mm form factor and PCIe NVMe connectivity for compact slots. It provides an OEM option when your setup requires 128 GB of internal storage.
Toshiba Kioxia 256GB M.2 2230 NVMe SSD
Best for: entry-level M.2 2230 drive replacements
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 256GB
- Interface
- PCI Express
- Length
- 1.18 inches
- Width
- 0.79 inches
This drive is an OEM M.2 2230 solid-state drive built for compact systems. It provides 256GB of storage across a PCI Express NVMe interface. Measuring 30mm in length, the drive fits standard 2230 slots in compatible laptops and handhelds. The unit arrives in OEM packaging after being pulled from a laptop, wiped, and formatted. It suits you if you need a basic storage swap for a small device.
Pros
- Compact M.2 2230 form factor (30mm length)
- PCI Express NVMe interface
- Pre-wiped and formatted
Cons
- Capacity limited to 256GB
- Pulled from a laptop rather than factory-sealed retail stock
- Ships in OEM packaging without retail accessories
Good fit if
- You need a 30mm M.2 2230 form factor drive.
- You require a baseline 256GB capacity.
- You are comfortable installing a wiped OEM pull drive.
Skip if
- You need more than 256GB of drive capacity.
- You prefer factory-sealed retail packaging.
Verdict: Toshiba Kioxia 256GB M.2 2230 NVMe SSD delivers standard 30mm PCIe storage in an OEM package. It serves as an entry-level capacity replacement for compatible compact systems.
KIOXIA BG4 1TB M.2 2230 SSD
Best for: Steam Deck and compact tablet storage upgrades
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 1TB
- Interface
- PCIe Gen3 x4
- Max Read Speed
- 2300 MB/s
- Max Write Speed
- 1800 MB/s
- Compatibility
- Laptop, Desktop
This Kioxia BG4 is a 1TB compact NVMe solid-state drive built on the short M.2 2230 form factor. It operates over a PCIe 3.0 x4 interface, delivering sequential read speeds up to 2300 MB/s and write speeds up to 1800 MB/s. Its single-sided layout fits compact hardware. This drive suits you if you need to upgrade compatible devices like a Steam Deck, Surface tablet, or thin ultrabook.
Pros
- Sequential read speeds up to 2300 MB/s and write speeds up to 1800 MB/s
- Single-sided design for cool operation and tight clearances
- Random performance reaching up to 390K read and 200K write IOPS
- 1TB storage capacity in a 30mm length card
Cons
- Limited to PCIe 3.0 bandwidth rather than newer PCIe 4.0
- Sequential write speed caps at 1800 MB/s
Good fit if
- You need a single-sided 1TB drive for a Steam Deck or Surface tablet.
- You have a device with a standard PCIe Gen3 x4 M.2 2230 slot.
Skip if
- You require the higher transfer speeds of a PCIe 4.0 drive.
- You need a drive with more than 1TB of storage capacity.
Verdict: Kioxia BG4 1TB M.2 2230 SSD delivers reliable Gen3 x4 transfer speeds and 1TB of storage in a compact, single-sided card. It is a direct fit for handheld gaming systems and slim laptops that accept 30mm NVMe drives.
Micron 2450 1TB M.2 2230 SSD
Best for: Steam Deck and compact laptop storage upgrades
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 1TB
- Interface
- PCIe 4.0 Gen4 x4
- Max Read Speed
- 3500 MB/s
- Max Write Speed
- 3000 MB/s
- Compatibility
- Laptop, Desktop, PS5
The Micron 2450 1TB M.2 2230 NVMe SSD gives you 1TB of storage in a compact 30mm form factor. It uses a PCIe 4.0 x4 interface delivering sequential read speeds up to 3500 MB/s and write speeds up to 3000 MB/s. It also operates on PCIe Gen3 x4 connections. This drive fits small host devices like the Steam Deck, compatible tablets, and compact laptops that require a 2230-length NVMe card.
Pros
- Sequential read speeds up to 3500 MB/s and writes up to 3000 MB/s
- PCIe 4.0 x4 interface with backward compatibility for PCIe Gen3
- Random performance ratings up to 450K read and 500K write IOPS
- Compact 30mm length fits handhelds like the Steam Deck
Cons
- Sequential speeds top out at 3500 MB/s, well below maximum PCIe 4.0 limits
- Capacity is limited to 1TB on this model
Good fit if
- You need a 1TB PCIe 4.0 drive for a device restricted to 30mm cards like the Steam Deck.
- You want up to 3500 MB/s read speeds in a compact M.2 2230 slot.
Skip if
- You require more than 1TB of internal capacity.
- You need PCIe 4.0 sequential transfer speeds exceeding 3500 MB/s.
Verdict: Micron 2450 1TB M.2 2230 NVMe SSD brings PCIe 4.0 support and 1TB capacity to space-constrained devices like the Steam Deck and compact laptops. Its 3500 MB/s read speed provides a reliable upgrade for standard 30mm slots.
Samsung 1TB M.2 2230 NVMe SSD
Best for: Steam Deck and Surface tablet storage upgrades
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 1TB
- Interface
- NVMe PCIe Gen3 x4
- Max Read Speed
- Up to 3100 MB/s
- Max Write Speed
- Up to 2000 MB/s
- Compatibility
- Laptop
The Samsung 1TB M.2 2230 PCIe 3.0 SSD gives you 1TB of compact storage for devices with short M.2 slots like the Steam Deck or Surface tablet. It runs on a PCIe Gen3 x4 interface, delivering sequential read speeds up to 3,100 MB/s and sequential write speeds up to 2,000 MB/s. If you need a high-capacity 30mm drive for compatible handheld gaming setups or ultrabooks, this drive provides balanced everyday performance.
Pros
- Sequential read speeds reach up to 3,100 MB/s
- Sequential write speeds reach up to 2,000 MB/s
- Random read performance up to 380K IOPS
- Compact 30mm length fits Steam Deck and Surface tablets
Cons
- Limited to PCIe Gen3 speeds rather than Gen4
- Sequential write speed caps at 2,000 MB/s
Good fit if
- You need a 1TB drive for a Steam Deck or Surface tablet.
- You want sequential read speeds up to 3,100 MB/s over PCIe 3.0.
Skip if
- You require PCIe 4.0 transfer speeds.
- You need storage capacities above 1TB.
Verdict: Samsung 1TB M.2 2230 PCIe 3.0 SSD delivers solid Gen3 performance with up to 3,100 MB/s read speeds in a compact 30mm form factor. It provides a straightforward 1TB capacity expansion for compatible handheld consoles and compact laptops.
Micron 2450 512GB M.2 2230 PCIe 4.0 SSD
Best for: compact PCIe 4.0 devices needing 512GB storage
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 512GB
- Interface
- NVMe PCIe 4.0 Gen4 x4
- Max Read Speed
- Up to 3500 MB/s
- Max Write Speed
- Up to 3000 MB/s
- Compatibility
- PS5
This Micron 2450 drive is an M.2 2230 solid-state drive built for compact systems with a compatible 30mm NVMe slot. It operates on a PCIe 4.0 x4 interface while maintaining backward compatibility with PCIe 3.0 setups. With sequential read speeds reaching up to 3500 MB/s and write speeds up to 3000 MB/s, it gives you reliable Gen4 throughput. It suits you if you need a short 512GB replacement drive.
Pros
- Up to 3500 MB/s sequential read and 3000 MB/s sequential write speeds
- PCIe 4.0 x4 interface with PCIe 3.0 backward compatibility
- Up to 380K random read and 500K random write IOPS
- Compact 22mm by 30mm footprint
Cons
- 512GB capacity limits maximum onboard game and file storage
- Sequential speeds peak at 3500 MB/s rather than full PCIe 4.0 limits
Good fit if
- You need an M.2 2230 drive that supports PCIe 4.0 x4 data lanes.
- You want a 30mm NVMe drive that also runs on PCIe 3.0 slots.
Skip if
- You require 1TB or more storage capacity for your device.
- You want sequential read speeds exceeding 3500 MB/s.
Verdict: Micron 2450 512GB M.2 2230 SSD delivers balanced PCIe 4.0 throughput in a compact 30mm form factor. It provides a dependable Gen4 storage option for devices restricted to small-format NVMe slots.
KIOXIA BG4 512GB M.2 2230 NVMe SSD
Best for: Steam Deck and Surface Pro mid-tier upgrades
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 512GB
- Interface
- NVMe PCIe Gen3 x4
- Max Read Speed
- 2200 MB/s
- Max Write Speed
- 1400 MB/s
- Dimensions
- 1.18 × 0.9 × 0.1 inches
The Kioxia BG4 512GB is an M.2 2230 solid-state drive built for compact devices. It uses a PCIe Gen3 x4 interface across a 30mm board. Specs list sequential read speeds up to 2200 MB/s and sequential write speeds up to 1400 MB/s. Random read hits 330K IOPS, while random write reaches 190K IOPS. This drive suits you if you need mid-capacity storage for a Steam Deck or Surface Pro.
Pros
- Compact 30mm length fits M.2 2230 slots
- Sequential read speeds reach up to 2200 MB/s
- Random read performance up to 330K IOPS
- Compatible with Steam Deck and Surface Pro hardware
Cons
- Sequential write speed caps at 1400 MB/s
- Uses older PCIe Gen3 x4 rather than PCIe 4.0
- 512GB capacity limits large game libraries
Good fit if
- You need 512GB storage for a Steam Deck or Surface Pro.
- You have a system limited to PCIe Gen3 transfer rates.
Skip if
- You need higher capacities such as 1TB or 2TB.
- You want PCIe 4.0 read and write speeds.
Verdict: Kioxia BG4 512GB M.2 2230 SSD delivers standard PCIe Gen3 performance in a 30mm footprint. It serves as a direct drop-in storage upgrade for compatible handhelds and tablets.
KIOXIA BG4 256GB M.2 2230 NVMe SSD
Best for: basic M.2 2230 device upgrades
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 256GB
- Interface
- NVMe PCIe Gen3 x4
- Max Read Speed
- 2200 MB/s
- Max Write Speed
- 1400 MB/s
- Dimensions
- 1.18 × 0.9 × 0.1 inches
This drive is a 256GB M.2 2230 internal solid-state drive built on the PCIe Gen3 x4 interface. It delivers sequential read speeds up to 2200 MB/s and sequential write speeds up to 1400 MB/s. It fits compact devices like the Steam Deck and Surface Pro. You get reliable everyday performance with a 1.5 million-hour MTBF rating, making it suitable if you need basic, compact NVMe storage.
Pros
- Sequential read speeds reach up to 2200 MB/s
- Sequential write speeds reach up to 1400 MB/s
- Rated MTBF of 1.5 million hours
- Compact M.2 2230 footprint measuring 1.18 inches long
Cons
- Limited to PCIe Gen3 speeds rather than faster Gen4
- Modest 256GB storage capacity
Good fit if
- You need a 30mm M.2 2230 drive for a Steam Deck or Surface Pro.
- You only need 256GB of storage for basic operating system tasks.
Skip if
- You require PCIe Gen4 transfer rates.
- You need higher storage capacity like 512GB or 1TB.
Verdict: KIOXIA BG4 256GB M.2 2230 SSD provides dependable PCIe Gen3 performance in a compact 30mm form factor. It serves as a straightforward storage replacement for compatible handhelds and compact laptops.
Western Digital 256GB M.2 2230 PCIe 3.0 SSD
Best for: compact handheld and tablet storage upgrades
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 256GB
- Interface
- PCIe Gen3 x4
- Max Read Speed
- 2400 MB/s
- Max Write Speed
- 950 MB/s
- Dimensions
- 1.18 × 0.86 × 0.1 inches
This Western Digital internal drive provides 256GB of storage in the compact M.2 2230 form factor. It uses a PCIe Gen3 x4 interface to reach sequential read speeds up to 2400 MB/s and sequential write speeds up to 950 MB/s. It fits systems with an M.2 2230 NVMe slot, including compatible Steam Deck consoles and Surface Pro tablets. It suits you if you need a basic replacement drive for compact hardware.
Pros
- Sequential read speeds reach up to 2400 MB/s
- Compact M.2 2230 form factor fits 30mm slots
- Compatible with Steam Deck and Surface Pro tablets
- Random read performance rated up to 170K IOPS
Cons
- Storage capacity is limited to 256GB
- Sequential write speed caps at 950 MB/s
- Uses PCIe Gen3 interface rather than Gen4
Good fit if
- You need an M.2 2230 drive for a Steam Deck or Surface Pro.
- You require up to 2400 MB/s read speeds on a PCIe Gen3 slot.
Skip if
- You need more than 256GB of drive capacity.
- You want write speeds faster than 950 MB/s.
Verdict: Western Digital 256GB M.2 2230 PCIe 3.0 SSD delivers compact PCIe Gen3 x4 storage with sequential reads up to 2400 MB/s. It is a practical match for small handhelds and tablets requiring a 30mm drive.
Samsung PM991a 1TB M.2 2230 NVMe SSD
Best for: compact TLC storage upgrades on PCIe 3.0
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 1TB
- Interface
- PCIe Gen3 x4
- Max Read Speed
- 3100 MB/s
- Max Write Speed
- 2000 MB/s
- Compatibility
- Laptop
This drive is a compact 1TB M.2 2230 solid-state drive built with TLC NAND flash. It uses a PCIe 3.0 x4 interface and an M Key connector, reaching sequential speeds up to 3100 MB/s read and 2000 MB/s write. It fits small devices like laptops or handhelds with 30mm slots. You get reliable TLC memory and balanced throughput if your device runs Gen3 hardware.
Pros
- TLC NAND flash memory
- Sequential read speeds reach up to 3100 MB/s
- Random read performance up to 380K IOPS
- Compact 22mm x 30mm form factor with M Key
Cons
- Limited to PCIe 3.0 interface speeds
- Sequential write speed caps at 2000 MB/s
Good fit if
- You need 1TB of TLC storage in a 30mm M-Key slot.
- You are upgrading a device limited to PCIe 3.0 throughput.
Skip if
- You need faster transfer speeds from a PCIe 4.0 drive.
- You require more than 1TB of local storage.
Verdict: Samsung 1TB M.2 2230 TLC SSD delivers reliable TLC flash memory and up to 3100 MB/s reads in a compact 30mm card. It is a solid choice for compatible laptops and handheld consoles limited to PCIe 3.0.
S SHARKSPEED 256GB Gen3 M.2 2230 SSD
Best for: entry-level handheld and portable laptop storage upgrades
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 256GB
- Interface
- PCIe Gen 3.0X4
- Max Read Speed
- Up to 2400 MB/s
- Max Write Speed
- Up to 1800 MB/s
- Compatibility
- Laptop, Desktop
The S SHARKSPEED 256GB Gen3 M.2 2230 SSD is an internal solid-state drive built for compact hardware. It uses a PCIe Gen 3.0 x4 NVMe interface with TLC 3D NAND flash, delivering sequential read speeds up to 2400 MB/s and write speeds up to 1800 MB/s. It suits you if you need a basic storage replacement for handheld gaming consoles like the Steam Deck or compact laptops like the Surface Pro series.
Pros
- Up to 2400 MB/s read and 1800 MB/s write speeds
- Compact 22mm by 30mm form factor fits small devices
- Built with TLC 3D NAND flash
- Backed by a 5-year warranty
Cons
- Limited to PCIe Gen 3.0 transfer speeds
- 256GB capacity fills quickly with modern games
Good fit if
- You need an M.2 2230 drive for a Steam Deck, ROG Ally, or Surface tablet.
- You want an entry-level 256GB drive built with TLC flash.
- You only require PCIe Gen 3.0 bandwidth.
Skip if
- You need 1TB or 2TB of capacity for larger media libraries.
- You want maximum speeds from a PCIe Gen 4.0 interface.
Verdict: S SHARKSPEED 256GB Gen3 M.2 2230 SSD delivers modest PCIe 3.0 performance in a compact 30mm card. It is a practical entry-level swap for supported handheld consoles and ultra-portable laptops.
Micron 2400 2TB M.2 2230 SSD
Best for: upgrading Steam Deck and ROG Ally storage
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 2TB
- Interface
- PCIe 4.0x4
- Max Read Speed
- Up to 4500 MB/s
- Max Write Speed
- Up to 4000 MB/s
- Dimensions
- 19.7 × 19.7 × 11 inches
The Micron 2400 2TB M.2 2230 SSD is a compact internal drive designed for space-constrained devices. It uses the PCIe Gen 4x4 NVMe interface to deliver sequential read speeds up to 4500 MB/s and write speeds up to 4000 MB/s. You get 2TB of storage in a 30mm form factor. This drive suits you if you need expanded capacity for handheld consoles like the Steam Deck or ROG Ally, or compatible compact laptops.
Pros
- 2TB storage capacity in a 30mm M.2 2230 form factor
- PCIe Gen 4x4 NVMe interface
- Sequential read speeds up to 4500 MB/s and writes up to 4000 MB/s
- Compatible with Steam Deck, ROG Ally, and M.2 2230 slots
Cons
- Write performance tops out at 4000 MB/s compared to 4500 MB/s read
- No integrated heatsink or mounting hardware listed
Good fit if
- You need 2TB of storage inside a handheld gaming device like the Steam Deck or ROG Ally.
- You want PCIe Gen 4 transfer speeds up to 4500 MB/s in a 30mm slot.
Skip if
- You need a standard-length M.2 2280 drive for a desktop motherboard.
- You require Gen 4 read speeds higher than 4500 MB/s.
Verdict: Micron 2400 2TB M.2 2230 SSD delivers high-capacity 2TB storage and PCIe Gen 4 speeds up to 4500 MB/s in a compact form factor. It provides a direct fit for compatible handheld gaming consoles and small-form-factor systems.
TEAMGROUP MP44S 2TB PCIe 4.0 M.2 2230 SSD
Best for: handheld gaming devices needing SLC caching
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 2TB
- Interface
- PCIe 4.0
- Max Read Speed
- Up to 5,000 MB/s
- Max Write Speed
- Up to 3,500 MB/s
- Cache Type
- SLC Cache
The TEAMGROUP MP44S is a compact M.2 2230 solid-state drive built for handheld consoles and compact systems. It delivers 2TB of storage using a PCIe 4.0 interface, reaching sequential read speeds up to 5,000 MB/s and write speeds up to 3,500 MB/s. Equipped with an SLC cache and a graphene heat dissipation label, this drive suits you if you need expanded capacity and high-speed data access inside space-constrained hardware.
Pros
- Sequential read speeds up to 5,000 MB/s and write speeds up to 3,500 MB/s
- 2TB storage capacity in a 22x30mm footprint
- PCIe 4.0 x4 interface with backward compatibility for PCIe Gen3
- Equipped with SLC caching
- Thin graphene label for heat dissipation
Cons
- Sequential write speed is limited to 3,500 MB/s
- Lacks a rigid metal heatsink
Good fit if
- You need 2TB of capacity in a 2230 slot for a handheld or mini PC.
- You want PCIe 4.0 sequential read speeds up to 5,000 MB/s.
- You prefer an integrated graphene heat spreader for tight clearances.
Skip if
- You require write speeds exceeding 3,500 MB/s.
- You need a drive that includes an aluminum heatsink.
Verdict: TEAMGROUP MP44S 2TB PCIe 4.0 M.2 2230 SSD pairs high 2TB capacity with 5,000 MB/s read speeds and SLC caching in a tiny form factor. It provides a fast, compact storage upgrade for handhelds and space-limited systems.
GAMERKING 1TB M.2 2230 PCIe 3.0 NVMe SSD
Best for: Steam Deck and laptop PCIe Gen3 1TB upgrades
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 1TB
- Interface
- PCIe Gen 3.0X4
- Max Read Speed
- up to 2,400MB/s
- Max Write Speed
- 1,800MB/s
This GAMERKING drive provides 1TB of storage in the compact M.2 2230 form factor. It operates over a PCIe 3.0 x4 interface, reaching sequential read rates up to 2,400 MB/s and sequential write rates up to 1,800 MB/s. Built with 3D NAND flash, it includes TRIM and NCQ support. You should choose this drive if you need 1TB capacity for compatible compact laptops or gaming handhelds like the Steam Deck.
Pros
- Sequential read speeds reach up to 2,400 MB/s and writes reach up to 1,800 MB/s
- Uses 3D NAND flash memory with TRIM command and NCQ support
- Compact M.2 2230 form factor fits compatible handheld devices and slim laptops
Cons
- Limited to PCIe 3.0 x4 speeds rather than faster PCIe 4.0 standards
- Maximum sequential read speed caps at 2,400 MB/s
Good fit if
- You need 1TB storage for a Steam Deck or compatible M.2 2230 laptop slot.
- You want PCIe 3.0 transfer speeds up to 2,400 MB/s read and 1,800 MB/s write.
Skip if
- You require PCIe 4.0 data throughput for your device.
- You need more than 1TB of internal storage capacity.
Verdict: GAMERKING 1TB M.2 2230 PCIe 3.0 NVMe SSD delivers 1TB capacity in a 30mm form factor with sequential speeds up to 2,400 MB/s read and 1,800 MB/s write. It provides standard PCIe 3.0 x4 performance for compatible handheld consoles and compact laptops.
Computer Upgrade King 256GB Gen4 M.2 2230 SSD
Best for: compact devices needing entry-level Gen4 storage
- Form Factor
- M.2 2230 (what this guide is about)
- Storage Capacity
- 256GB
- Interface
- PCIe Gen4 NVMe
- Max Read Speed
- 1600MB/s
- Max Write Speed
- 3500 MB/s
- Weight
- 0.32 ounces
View on Amazon: Computer Upgrade King 256GB Gen4 M.2 2230 SSD
This Computer Upgrade King drive is a 256GB internal SSD built in the compact M.2 2230 form factor. It uses a PCIe Gen4 NVMe interface with 176-layer NAND technology to deliver up to 3500 MB/s sequential write speeds and 1600 MB/s sequential read speeds. It also provides an endurance rating of 180 TBW. You will find it fits compact systems needing entry-level Gen4 storage.
Pros
- PCIe Gen4 NVMe interface
- Up to 3500 MB/s sequential write speed
- 180 TBW endurance rating
- Compact 22mm x 30mm x 2.38mm form factor
Cons
- Sequential read speed capped at 1600 MB/s
- Modest 256GB formatted capacity
- Limited to a 1-year hardware warranty
Good fit if
- You need a compact 2230 drive with PCIe Gen4 support.
- You prioritize up to 3500 MB/s sequential write speeds.
- You require 180 TBW write endurance for a smaller drive.
Skip if
- You need more than 256GB of local storage.
- You require sequential read speeds above 1600 MB/s.
- You prefer warranty coverage longer than one year.
Verdict: Computer Upgrade King 256GB Gen4 M.2 2230 SSD offers 3500 MB/s write speeds and 180 TBW endurance in a 30mm profile. It suits small systems that need compact Gen4 hardware despite modest read speeds and 256GB capacity.
Specifications side by side
| Spec | KIOXIA 128GB M.2 2230 NVMe SSD | Toshiba Kioxia 256GB M.2 2230 NVMe SSD | KIOXIA BG4 1TB M.2 2230 SSD | Micron 2450 1TB M.2 2230 SSD | Samsung 1TB M.2 2230 NVMe SSD | Micron 2450 512GB M.2 2230 PCIe 4.0 SSD | KIOXIA BG4 512GB M.2 2230 NVMe SSD | KIOXIA BG4 256GB M.2 2230 NVMe SSD | Western Digital 256GB M.2 2230 PCIe 3.0 SSD | Samsung PM991a 1TB M.2 2230 NVMe SSD | S SHARKSPEED 256GB Gen3 M.2 2230 SSD | Micron 2400 2TB M.2 2230 SSD | TEAMGROUP MP44S 2TB PCIe 4.0 M.2 2230 SSD | GAMERKING 1TB M.2 2230 PCIe 3.0 NVMe SSD | Computer Upgrade King 256GB Gen4 M.2 2230 SSD |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Storage Capacity | 128 GB | 256GB | 1TB | 1TB | 1TB | 512GB | 512GB | 256GB | 256GB | 1TB | 256GB | 2TB | 2TB | 1TB | 256GB |
| Interface | PCIe NVMe | PCI Express | PCIe Gen3 x4 | PCIe 4.0 Gen4 x4 | NVMe PCIe Gen3 x4 | NVMe PCIe 4.0 Gen4 x4 | NVMe PCIe Gen3 x4 | NVMe PCIe Gen3 x4 | PCIe Gen3 x4 | PCIe Gen3 x4 | PCIe Gen 3.0X4 | PCIe 4.0x4 | PCIe 4.0 | PCIe Gen 3.0X4 | PCIe Gen4 NVMe |
| Form Factor | not specified | not specified | not specified | not specified | not specified | M.2 2230 | not specified | not specified | not specified | M.2 2230 | not specified | M.2 2230 | M.2 2230 | not specified | M.2 2230 |
| Max Read Speed | not specified | not specified | 2300 MB/s | 3500 MB/s | Up to 3100 MB/s | Up to 3500 MB/s | 2200 MB/s | 2200 MB/s | 2400 MB/s | 3100 MB/s | Up to 2400 MB/s | Up to 4500 MB/s | Up to 5,000 MB/s | up to 2,400MB/s | 1600MB/s |
| Max Write Speed | not specified | not specified | 1800 MB/s | 3000 MB/s | Up to 2000 MB/s | Up to 3000 MB/s | 1400 MB/s | 1400 MB/s | 950 MB/s | 2000 MB/s | Up to 1800 MB/s | Up to 4000 MB/s | Up to 3,500 MB/s | 1,800MB/s | 3500 MB/s |
| Cache Type | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | SLC Cache | not specified | not specified |
| Cooling | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Graphene label | not specified | not specified |
| Compatibility | not specified | not specified | Laptop, Desktop | Laptop, Desktop, PS5 | Laptop | PS5 | not specified | not specified | not specified | Laptop | Laptop, Desktop | not specified | not specified | not specified | not specified |
| NAND Type | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | TLC | not specified | not specified | not specified | not specified | not specified |
| Size | not specified | not specified | not specified | not specified | 1TB SSD | 1TB M.2 2230 | not specified | not specified | not specified | 1TB 30mm | 256GB | not specified | 2TB | 1TB | not specified |
| Dimensions | 6 × 4 × 1 inches | not specified | 1.18 × 0.86 × 0.1 inches | 1.18 × 0.86 × 0.1 inches | 1.2 × 0.9 × 0.1 inches | not specified | 1.18 × 0.9 × 0.1 inches | 1.18 × 0.9 × 0.1 inches | 1.18 × 0.86 × 0.1 inches | 0.87 × 0.87 × 0.09 inches | not specified | 19.7 × 19.7 × 11 inches | 1.18 × 0.87 × 0.15 inches | not specified | not specified |
| Weight | 0.32 ounces | not specified | not specified | not specified | not specified | 2.4 ounces | not specified | not specified | not specified | not specified | not specified | 0.32 ounces | not specified | not specified | 0.32 ounces |
| Length | not specified | 1.18 inches | not specified | not specified | not specified | 0.87 inches | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Width | not specified | 0.79 inches | not specified | not specified | not specified | 0.87 inches | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Model | KBG40ZNS | KBG40ZNS256G | KBG40ZNS1T02 | MTFDKBK1T0TFK | MZ9LQ1T0HBLB | MTFDKBK512TFK | KBG40ZNS512G | KBG40ZNS256G | SDBPTPZ-256G | MZ9LQ1T0HBLB | M.2 2230 SSD | MTFDKBK2T0QFM-1BD1AABYYR | TM5FF3002T0C101 | M.2 2230 PCIe 3.0 1TB | MTFDKBK256TFK |
| Color | not specified | not specified | not specified | Black | Black | Black | Black | not specified | not specified | Black | M.2 2230 PCIe Gen3.0 | not specified | Black | M.2 2230 PCIe | Black |
Is an M.2 2230 SSD Worth It?
An M.2 2230 SSD matters if your hardware physically requires a 30 mm drive. Devices like the Steam Deck, ROG Ally, Surface tablets, and select compact laptops only accept this short 30 mm length. Selecting this form factor provides internal storage options between 128GB and 2TB without hardware modifications. In daily use, it delivers NVMe connectivity inside space-constrained systems that cannot physically house standard cards. It acts as an exact physical drop-in swap for factory OEM storage.
Worth it if
- You own a handheld console or compact tablet designed specifically for a 30 mm drive.
- You need internal storage replacement options between 128GB and 2TB for a small-format device.
Skip it if
- You have a standard computer motherboard that accepts full-length M.2 cards.
- You require storage capacities beyond 2TB.
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How We Picked These Drives
To build this guide, we identified drives with the M.2 2230 form factor from listing titles and feature lists. This compact 30 mm profile fits small slots in handheld consoles and ultra-portable laptops. We included 15 options, showing one variant per product family. We do not physically handle products; all details come directly from published specifications.
You will find products in stock first. We compared the published technical data for each drive, assessing hardware specifications such as PCIe interface versions and sequential read speeds. The selected models span PCIe 3.0 and PCIe 4.0 interfaces, offering capacities from 128GB up to 2TB for your system.
Key Factors When Choosing M.2 2230 SSDs
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Evaluate Target Storage Capacity
Check your storage requirements before buying an M.2 2230 drive. Drives in this form factor range from 128GB up to 2TB. A 128GB or 256GB model works well for light operating system installations and standard office tasks. If you install modern games or maintain media libraries, target 1TB or 2TB instead. The Micron 2400 2TB provides high capacity for devices that hold several large game installations. Match the drive capacity to your data volume so you avoid running out of space quickly.
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Check Flash NAND Type
Inspect the flash memory type listed in the drive specifications. NAND flash architecture affects sustained write behavior and longevity. TLC (Triple-Level Cell) flash stores three bits per cell and offers dependable daily endurance for operating system duties and frequent writes. The Samsung PM991a 1TB uses TLC flash memory. Choosing a drive with TLC flash suits users who run continuous disk operations, while other cell configurations may prioritize maximum storage density over sustained transfer endurance. Check the spec sheet to verify the exact NAND configuration.
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Review Write Cache Support
Check whether the SSD includes an SLC cache buffer. Compact M.2 2230 drives operate in tight thermal spaces and often lack discrete DRAM chips. An integrated SLC cache speeds up burst write operations by treating a portion of the storage like single-level cell flash. The TEAMGROUP MP44S 2TB includes an SLC cache to handle sudden bursts of data during file writes. If you regularly transfer large game files or perform system backups, verify cache support to avoid immediate write throttling during file transfers.
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Examine Rated Terabytes Written
Review the Terabytes Written (TBW) figure before choosing your drive. TBW indicates the cumulative volume of data you can write to the drive across its operational lifespan. Buyers using an SSD for primary operating system duties or routine file rewriting need higher endurance numbers. For example, the Computer Upgrade King 256GB Gen4 drive provides a 180 TBW rating. Check this specification to confirm the drive matches your planned writing habits, especially if you download large files frequently or run write-heavy applications on your system.
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Compare Sequential Write Speeds
Look beyond read rates and evaluate sequential write speeds. Read speeds determine how fast files open, but write performance dictates installation times and save speeds. Entry-level drives may limit write throughput even if their read numbers appear sufficient. For instance, the GAMERKING 1TB SSD reaches up to 1,800 MB/s sequential write performance alongside 2,400 MB/s reads. If you regularly save large game patches, video captures, or system images, prioritize higher write speeds to prevent long transfer pauses during routine disk tasks.
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Confirm Single-Sided PCB Layout
Inspect the board layout to ensure the SSD physically fits inside ultra-thin device slots. Many handheld consoles and compact laptops have tight vertical tolerances that cannot clear surface-mounted components on the underside of the card. A single-sided drive keeps all controller and NAND chips on the top layer, preventing contact with the motherboard surface. The KIOXIA BG4 1TB uses a single-sided card design for standard 30 mm slots. Check your host device manual to confirm whether double-sided drives are blocked by clearance constraints.
Frequently asked questions
What devices are compatible with M.2 2230 NVMe SSDs?
Devices with dedicated 30 mm M.2 slots support M.2 2230 NVMe SSDs. Handheld consoles, tablets, and select compact laptops or desktops use this format. Specific listings show compatibility with the Steam Deck, ROG Ally, Microsoft Surface tablets, standard laptops, desktops, and select models even cite PS5 compatibility, such as the Micron 2450. Always confirm physical clearance before upgrading.
Can you use a PCIe 4.0 M.2 2230 SSD in a PCIe 3.0 slot?
Yes, PCIe 4.0 M.2 2230 SSDs work inside PCIe 3.0 slots because NVMe interfaces are backward compatible. When you install a Gen4 drive like the Micron 2450 or TEAMGROUP MP44S in a Gen3 host, the drive operates at Gen3 speeds. You will not achieve the drive's rated 3,500 MB/s or 5,000 MB/s maximum rates, but your system functions normally.
What does the M.2 2230 form factor number mean?
The numbers in M.2 2230 define the physical dimensions of the solid-state drive in millimeters. The first two digits signify a width of 22 mm, while the final two digits indicate a length of 30 mm. This makes 2230 drives substantially shorter than common desktop M.2 2280 cards, fitting compact internal bays where standard drives cannot physically fit.
What is the endurance rating for M.2 2230 SSDs?
Endurance varies depending on the specific drive design, capacity, and flash memory configuration. Manufacturers state drive write endurance in Terabytes Written (TBW). For example, the Computer Upgrade King 256GB Gen4 M.2 2230 SSD provides a published rating of 180 TBW. This metric measures the total cumulative volume of data you can write to the drive over its operational lifespan.
What read and write speeds can you expect from M.2 2230 drives?
Speeds depend entirely on the generation of the PCIe interface and the controller configuration. Standard PCIe 3.0 drives like the Western Digital 256GB reach sequential reads of 2,400 MB/s, while the Samsung PM991a hits 3,100 MB/s. Newer PCIe 4.0 models reach higher throughput, such as the Micron 2400 at 4,500 MB/s and the TEAMGROUP MP44S reaching up to 5,000 MB/s.
What types of NAND flash memory are used in M.2 2230 SSDs?
M.2 2230 SSDs typically utilize multi-level cell NAND flash such as TLC, often paired with caching mechanisms. For instance, the Samsung PM991a 1TB specifies TLC NAND flash memory for data storage. Other compact drives, such as the TEAMGROUP MP44S 2TB, incorporate an SLC cache to help maintain transfer performance during sequential read tasks up to 5,000 MB/s.
How much capacity can you get in an M.2 2230 form factor?
M.2 2230 drives range widely from low-capacity entry drives up to high-capacity 2TB configurations. Smaller replacement units include 128GB and 256GB drives like the Kioxia KBG40ZNS models. Mid-tier upgrades offer 512GB or 1TB, while the largest options on the market, such as the Micron 2400 and TEAMGROUP MP44S, deliver up to 2TB of storage in the same 30 mm card.