KIOXIA BG4 512GB M.2 2230 NVMe SSD Alternatives: 6 Similar Picks Compared

Comparing Kioxia BG4 Alternatives

KIOXIA BG4 512GB M.2 2230 NVMe SSD

This is the original Kioxia BG4 512GB M.2 2230 NVMe SSD. It serves as the baseline for comparison. It features PCIe Gen3 x4 interface with sequential read speeds up to 2200 MB/s and write speeds up to 1400 MB/s. The drive measures 30mm in length, fitting M.2 2230 slots in devices like the Steam Deck and Surface Pro. It offers 512GB of storage capacity. Other listed alternatives vary in capacity, brand, or physical dimensions while maintaining similar Gen3 performance profiles for compact systems.

KIOXIA BG4 512GB M.2 2230 NVMe SSD

This is the original Kioxia BG4 512GB M.2 2230 NVMe SSD. It serves as the baseline for comparison. It features PCIe Gen3 x4 interface with sequential read speeds up to 2200 MB/s and write speeds up to 1400 MB/s. The drive measures 30mm in length, fitting M.2 2230 slots in devices like the Steam Deck and Surface Pro. It offers 512GB of storage capacity. Other listed alternatives vary in capacity, brand, or physical dimensions while maintaining similar Gen3 performance profiles for compact systems.

KIOXIA BG4 512GB M.2 2230 NVMe SSD

This is the original Kioxia BG4 512GB M.2 2230 NVMe SSD. It serves as the baseline for comparison. It features PCIe Gen3 x4 interface with sequential read speeds up to 2200 MB/s and write speeds up to 1400 MB/s. The drive measures 30mm in length, fitting M.2 2230 slots in devices like the Steam Deck and Surface Pro. It offers 512GB of storage capacity. Other listed alternatives vary in capacity, brand, or physical dimensions while maintaining similar Gen3 performance profiles for compact systems.

KIOXIA BG4 512GB M.2 2230 NVMe SSD

This is the original Kioxia BG4 512GB M.2 2230 NVMe SSD. It serves as the baseline for comparison. It features PCIe Gen3 x4 interface with sequential read speeds up to 2200 MB/s and write speeds up to 1400 MB/s. The drive measures 30mm in length, fitting M.2 2230 slots in devices like the Steam Deck and Surface Pro. It offers 512GB of storage capacity. Other listed alternatives vary in capacity, brand, or physical dimensions while maintaining similar Gen3 performance profiles for compact systems.

KIOXIA BG4 512GB M.2 2230 NVMe SSD

This is the original Kioxia BG4 512GB M.2 2230 NVMe SSD. It serves as the baseline for comparison. It features PCIe Gen3 x4 interface with sequential read speeds up to 2200 MB/s and write speeds up to 1400 MB/s. The drive measures 30mm in length, fitting M.2 2230 slots in devices like the Steam Deck and Surface Pro. It offers 512GB of storage capacity. Other listed alternatives vary in capacity, brand, or physical dimensions while maintaining similar Gen3 performance profiles for compact systems.

KIOXIA BG4 512GB M.2 2230 NVMe SSD

This is the original Kioxia BG4 512GB M.2 2230 NVMe SSD. It serves as the baseline for comparison. It features PCIe Gen3 x4 interface with sequential read speeds up to 2200 MB/s and write speeds up to 1400 MB/s. The drive measures 30mm in length, fitting M.2 2230 slots in devices like the Steam Deck and Surface Pro. It offers 512GB of storage capacity. Other listed alternatives vary in capacity, brand, or physical dimensions while maintaining similar Gen3 performance profiles for compact systems.

KIOXIA BG4 512GB M.2 2230 NVMe SSD

This is the original Kioxia BG4 512GB M.2 2230 NVMe SSD. It serves as the baseline for comparison. It features PCIe Gen3 x4 interface with sequential read speeds up to 2200 MB/s and write speeds up to 1400 MB/s. The drive measures 30mm in length, fitting M.2 2230 slots in devices like the Steam Deck and Surface Pro. It offers 512GB of storage capacity. Other listed alternatives vary in capacity, brand, or physical dimensions while maintaining similar Gen3 performance profiles for compact systems.

Quick picks

Our 7 picks

1 Best overall

KIOXIA BG4 512GB M.2 2230 NVMe SSD

Best for: compact handhelds and tablets

Storage Capacity

512GB

Interface

NVMe PCIe Gen3 x4

Max Read Speed

2200 MB/s

Max Write Speed

1400 MB/s

Form Factor

M.2 2230

Dimensions

1.18 × 0.9 × 0.1 inches

View on Amazon: KIOXIA BG4 512GB M.2 2230 NVMe SSD Affiliate link

The Kioxia BG4 is a 512GB M.2 2230 NVMe SSD designed for compact devices. It offers sequential read speeds up to 2200 MB/s and write speeds up to 1400 MB/s. This drive fits systems like the Steam Deck and Surface Pro. It uses PCIe Gen3 x4 interface. You get reliable performance in a small form factor. It suits users needing space-efficient storage for handhelds or tablets.

Pros

• Sequential read speed up to 2200 MB/s
• Compact M.2 2230 form factor
• Compatible with Steam Deck and Surface Pro
• NVMe PCIe Gen3 x4 interface

Cons

• Lower write speed of 1400 MB/s compared to larger drives
• Limited to 512GB capacity
• No included heatsink

Good fit if

• You need a compact SSD for a Steam Deck
• You are upgrading a Surface Pro with NVMe storage
• You require PCIe Gen3 x4 performance in a small size

Skip if

• You need more than 512GB of storage
• You require PCIe Gen4 speeds
• You prefer larger M.2 2280 drives for easier handling

Verdict: Kioxia BG4 512GB M.2 2230 NVMe SSD delivers solid Gen3 speeds in a tiny package. It is the right pick for Steam Deck and Surface Pro owners who need reliable, space-saving storage.

2 Also great

KIOXIA BG4 1TB M.2 2230 SSD

Best for: Compact laptops needing 1TB storage

Storage Capacity

1TB

Interface

PCIe Gen3 x4

Max Read Speed

2300 MB/s

Max Write Speed

1800 MB/s

Form Factor

M.2 2230

Compatibility

Laptop, Desktop

View on Amazon: KIOXIA BG4 1TB M.2 2230 SSD Affiliate link

This Kioxia drive offers 1TB of storage in a compact M.2 2230 form factor. It delivers sequential read speeds up to 2300 MB/s and write speeds up to 1800 MB/s. The single-sided design helps manage heat during operation. It fits systems with M.2 2230 slots, including laptops and desktops. You get reliable performance for everyday computing tasks without bulky hardware.

Pros

• 1TB storage capacity
• 2300 MB/s max read speed
• 1800 MB/s max write speed
• Single-sided design for cooler operation

Cons

• Limited to PCIe Gen3 x4 interface
• Smaller 1TB capacity compared to 2TB alternatives
• No included mounting hardware listed

Good fit if

• You need high capacity in a small M.2 2230 slot
• You want faster read speeds for quick file access
• You prefer single-sided drives for better heat management

Skip if

• You require PCIe Gen4 speeds
• You need more than 1TB of storage
• You are upgrading a standard 2280 M.2 slot

Verdict: Kioxia BG4 1TB M.2 2230 SSD fits users who need maximum storage in a tiny footprint. It delivers strong Gen3 speeds for laptops and compact desktops. You should choose this if space is tight but capacity is critical.

3 Best premium

Samsung 1TB M.2 2230 NVMe SSD

Best for: Steam Deck and Surface Pro upgrades

Storage Capacity

1TB

Interface

NVMe PCIe Gen3 x4

Max Read Speed

Up to 3100 MB/s

Max Write Speed

Up to 2000 MB/s

Form Factor

M.2 2230

Compatibility

Laptop

View on Amazon: Samsung 1TB M.2 2230 NVMe SSD Affiliate link

This Samsung drive offers 1TB of storage in a compact M.2 2230 form factor. It supports NVMe PCIe Gen3 x4 connectivity. Sequential speeds reach up to 3100 MB/s read and 2000 MB/s write. Random access hits 380K IOPS read and 330K IOPS write. It fits Steam Deck and Surface Pro devices. You get reliable performance for portable gaming or tablet upgrades.

Pros

• 1TB storage capacity
• 3100 MB/s sequential read speed
• 2000 MB/s sequential write speed
• Compact M.2 2230 size

Cons

• Limited to PCIe Gen3 interface
• Only 256GB and 1TB options available
• No included mounting hardware listed

Good fit if

• You need 1TB storage for a Steam Deck
• You are upgrading a Surface Pro tablet
• You want high sequential read speeds

Skip if

• You require PCIe Gen4 speeds
• You need 512GB capacity
• You prefer M.2 2280 form factor

Verdict: Samsung 1TB PM991a M.2 2230 NVMe SSD delivers strong Gen3 performance for Steam Deck and Surface Pro users. It suits those needing maximum capacity in a small footprint.

4 Also great

KIOXIA BG4 256GB M.2 2230 NVMe SSD

Best for: Steam Deck and Surface Pro upgrades

Storage Capacity

256GB

Interface

NVMe PCIe Gen3 x4

Max Read Speed

2200 MB/s

Max Write Speed

1400 MB/s

Form Factor

M.2 2230

Dimensions

1.18 × 0.9 × 0.1 inches

View on Amazon: KIOXIA BG4 256GB M.2 2230 NVMe SSD Affiliate link

This Kioxia BG4 SSD offers 256GB of storage in a compact M.2 2230 form factor. It delivers sequential read speeds up to 2200 MB/s and write speeds up to 1400 MB/s. The drive uses NVMe PCIe Gen3 x4 interface. It is designed for systems like Steam Deck and Surface Pro. You get reliable performance in a small package. The 1.5 million hour MTBF suggests strong durability for daily use.

Pros

• Sequential read speeds reach 2200 MB/s
• Compact M.2 2230 30mm size
• NVMe PCIe Gen3 x4 interface
• 1.5 million hour MTBF rating

Cons

• 256GB capacity is smaller than 512GB or 1TB alternatives
• Write speed of 1400 MB/s trails faster peers
• Lacks included mounting hardware or heatsink

Good fit if

• You need a small drive for Steam Deck or Surface Pro
• You want a reliable Kioxia brand SSD
• You prioritize compact size over maximum capacity

Skip if

• You require more than 256GB of storage space
• You need the highest possible write speeds
• You prefer a larger M.2 2280 form factor

Verdict: Kioxia BG4 256GB M.2 2230 NVMe fits handhelds and tablets needing compact storage. It delivers solid Gen3 speeds for everyday tasks.

5 Best budget

Western Digital 256GB M.2 2230 PCIe 3.0 SSD

Best for: Steam Deck and Surface Pro upgrades

Storage Capacity

256GB

Interface

PCIe Gen3 x4

Max Read Speed

2400 MB/s

Max Write Speed

950 MB/s

Form Factor

M.2 2230

Dimensions

1.18 × 0.86 × 0.1 inches

View on Amazon: Western Digital 256GB M.2 2230 PCIe 3.0 SSD Affiliate link

The Western Digital SN530 is a compact 256GB NVMe drive built for M.2 2230 slots. It offers sequential read speeds up to 2400 MB/s and write speeds up to 950 MB/s. This PCIe Gen3 x4 SSD fits devices like the Steam Deck and Surface Pro. It provides reliable performance for portable gaming and tablet storage where space is limited.

Pros

• Sequential read speed reaches 2400 MB/s
• Compact M.2 2230 form factor fits tight spaces
• Supports PCIe Gen3 x4 interface
• Compatible with Steam Deck and Surface Pro

Cons

• Limited to 256GB storage capacity
• Sequential write speed is lower at 950 MB/s
• Smaller capacity than 512GB or 1TB alternatives

Good fit if

• You need a drive for a Steam Deck
• You require an M.2 2230 SSD for a Surface Pro
• You want a compact NVMe drive with good read speeds

Skip if

• You need more than 256GB of storage
• You require PCIe Gen4 speeds
• You are building a standard desktop PC with 2280 slots

Verdict: WD SN530 256GB M.2 2230 SSD fits users needing compact storage for handheld consoles or tablets. It delivers strong read performance in a small package, though the 256GB limit may not suit heavy data users.

6 Best 3d nand

KingSpec 512GB M.2 2230 PCIe 3.0 NVMe SSD

Best for: Steam Deck and compact mini PC upgrades

Storage Capacity

512GB

Interface

PCIe 3.0 Gen3x4

Form Factor

M.2 2230

Max Read Speed

Up to 3200MB/s

Max Write Speed

Up to 1300MB/s

NAND Type

3D NAND

View on Amazon: KingSpec 512GB M.2 2230 PCIe 3.0 NVMe SSD Affiliate link

This KingSpec drive uses 3D NAND flash and an NVMe Gen3x4 interface in a compact M.2 2230 form factor. You get sequential read speeds up to 3200MB/s and write speeds up to 1300MB/s. It fits Steam Deck, ultrabooks, and mini PCs. The 512GB capacity and caseless design offer flexibility for tight spaces. It supports Windows and Linux systems for reliable data access.

Pros

• Uses 3D NAND flash memory for durability
• Sequential read speeds up to 3200MB/s
• Compact M.2 2230 form factor fits small devices
• Supports LDPC error correction for data stability

Cons

• Sequential write speeds are lower than read speeds
• Limited to PCIe Gen3x4 interface speeds
• No heat spreader or thermal pad included

Good fit if

• You need a 3D NAND drive for Steam Deck or mini PCs
• You require high sequential read speeds for quick boot times
• You want a caseless SSD for tight internal spaces

Skip if

• You need PCIe Gen4 speeds for maximum performance
• You require a drive with a built-in heat sink
• You prefer Samsung or Kioxia brand reliability

Verdict: KingSpec 512GB M.2 2230 3D NAND SSD provides solid Gen3 speeds and 3D NAND reliability for compact builds like Steam Deck or ultrabooks, making it a practical pick for space-constrained upgrades.

7 Best m.2 2280

Transcend 512GB PCIe 3.0 NVMe M.2 SSD

Best for: desktops and laptops with standard M.2 slots

Storage Capacity

512GB

Interface

PCIe Gen3 x4, NVMe 1.3

Cache Type

SLC Cache

Form Factor

M.2 2280

Compatibility

Laptop, Desktop

Dimensions

3.15 × 0.14 × 0.87 inches

View on Amazon: Transcend 512GB PCIe 3.0 NVMe M.2 SSD Affiliate link

The Transcend MTE110S is a 512GB M.2 2280 NVMe drive using PCIe Gen3 x4. It offers up to 1,800 MB/s read and 1,500 MB/s write speeds. The drive uses 3D NAND flash and includes SLC caching for faster transfers. It also features dynamic thermal throttling. This larger 2280 form factor suits desktops or laptops with standard slots, unlike the 2230 drives in this list.

Pros

• Up to 1,800 MB/s read speed
• Up to 1,500 MB/s write speed
• Uses 3D NAND flash memory
• Includes SLC caching technology
• Features dynamic thermal throttling

Cons

• M.2 2280 form factor is too large for 2230 slots
• No DRAM cache mentioned in specifications
• PCIe Gen3 interface is slower than Gen4

Good fit if

• You need a standard M.2 2280 drive
• You want high sequential read speeds
• You are upgrading a desktop PC

Skip if

• You have a compact laptop with 2230 slots
• You require PCIe Gen4 speeds
• You need a drive with DRAM cache

Verdict: Transcend MTE110S 512GB M.2 2280 SSD fits users needing standard M.2 2280 dimensions and fast Gen3 speeds for desktops.

Specifications side by side

Frequently asked questions