6 Best Alternatives to the KIOXIA BG4 256GB PCIe 3.0 NVMe SSD (2026)
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The KIOXIA BG4 256GB PCIe 3.0 NVMe SSD offers reliable performance for users seeking a compact storage solution. Its M.2 2280 form factor and compatibility with laptops, desktops, and PS5 consoles make it a versatile choice for standard upgrades. The drive delivers sequential read speeds up to 3050 MB/s and write speeds up to 1550 MB/s, which suits everyday computing tasks well. However, you might look for Kioxia SSD 256GB BG4 M.2 alternatives if your needs differ from these specifications. Perhaps you require more storage capacity, a different interface speed, or a specific NAND type for better longevity.
This list highlights 6 drives that share key characteristics with the BG4, ensuring you find compatible options. All selected products use the M.2 2280 form factor and support the PCIe 3.0 interface, guaranteeing they fit in the same slots. Some alternatives offer larger capacities like 512GB or 1TB, while others focus on budget-friendly pricing for older systems. By comparing these specs, you can select a drive that matches your exact requirements for form factor, capacity, and performance level without sacrificing compatibility.
How each alternative compares
Addlink S70 Lite 1TB Gen3 NVMe SSD
The Addlink S70 Lite 1TB NVMe SSD offers four times the storage capacity of the KIOXIA BG4 256GB model while maintaining the same PCIe 3.0 interface. You get a larger 1TB size in a nearly identical M.2 2280 form factor, making it a direct drop-in replacement for most systems. This drive is ideal if you need more space for games or files without upgrading to a faster PCIe 4.0 standard. It shares the same compatibility with laptops and desktops, but the increased capacity makes it better for users who prioritize storage volume over the lower cost of smaller drives.
SK Hynix 512GB PCIe 3.0 NVMe SSD
The SK Hynix 512GB PCIe 3.0 NVMe SSD doubles the storage capacity of the KIOXIA BG4 256GB drive while keeping the same interface and form factor. You get 512GB of space in a standard M.2 2280 size that fits easily into laptops and desktops. This option is best for users who need more room for applications and data but do not require the latest PCIe 4.0 speeds. It offers a balanced upgrade path for older systems where the BG4 might feel too small, providing reliable performance without the premium price often associated with higher-capacity Gen3 drives.
TEAMGROUP MP33 256GB PCIe 3.0 M.2 SSD
The TEAMGROUP MP33 256GB PCIe 3.0 M.2 SSD matches the KIOXIA BG4 256GB in capacity and interface type. Both drives use M.2 2280 form factors and PCIe 3.0 connections, making them compatible with the same systems. The TEAMGROUP model is positioned as a budget-friendly alternative for users who need basic storage for everyday computing tasks. It offers similar practical performance for standard upgrades to older laptops and desktops. If you prioritize cost over brand reputation or specific speed metrics, this drive provides a straightforward solution with the same core specifications as the BG4.
Timetec 512GB PCIe 3.0 M.2 SSD
The Timetec 512GB PCIe 3.0 M.2 SSD provides double the storage of the KIOXIA BG4 256GB while using the same M.2 2280 form factor and PCIe 3.0 interface. You get 512GB of space in a standard size that fits laptops and desktops equally well. This drive is suitable for users who need more room for data and applications without moving to a newer, faster interface. It shares the same compatibility profile as the BG4 but offers greater capacity, making it a better choice for those who find the 256GB limit restrictive for their daily workflow or gaming library.
Acclamator 256GB PCIe Gen3 M.2 SSD
The Acclamator 256GB PCIe Gen3 M.2 SSD matches the KIOXIA BG4 256GB in both capacity and interface type. Both drives use M.2 2280 form factors and PCIe 3.0 connections, ensuring they work in the same laptops and desktops. The Acclamator model is designed as a budget option for users who need basic storage performance. It offers similar practical utility for standard upgrades to older systems. If you are looking for a cost-effective solution with the same core specifications as the BG4, this drive provides a comparable experience for everyday computing tasks without the need for higher capacity or faster speeds.
KIOXIA XG6 512GB PCIe 3.0 NVMe SSD
The KIOXIA XG6 512GB PCIe 3.0 NVMe SSD offers double the storage capacity of the BG4 256GB model while retaining the same PCIe 3.0 interface and M.2 2280 form factor. You get 512GB of space in a nearly identical physical size, making it a direct upgrade for laptops and desktops. This drive is ideal for users who want more room for files and applications without switching to a newer interface. It shares the same brand reliability as the BG4 but provides greater capacity, making it better suited for those who find the 256GB limit insufficient for their modern storage needs.
Quick picks
Our 7 picks
KIOXIA BG4 256GB PCIe 3.0 NVMe SSD
Best for: PS5 and laptop storage upgrades
- Storage Capacity
- 256GB
- Interface
- NVMe PCIe 3.0 Gen3 x4
- Max Read Speed
- Up to 3050 MB/s
- Max Write Speed
- Up to 1550 MB/s
- Form Factor
- M.2 2280
- Compatibility
- Laptop, Desktop, PS5
View on Amazon: KIOXIA BG4 256GB PCIe 3.0 NVMe SSD Affiliate link
The Kioxia BG4 is a 256GB NVMe SSD in an M.2 2280 form factor. It uses a PCIe 3.0 x4 interface to deliver sequential read speeds up to 3050 MB/s and write speeds up to 1550 MB/s. This drive fits laptops, desktops, and PS5 consoles. It offers a compact build for users needing reliable storage expansion without requiring a larger physical slot.
Pros
- Sequential read speeds up to 3050 MB/s
- Compact M.2 2280 form factor
- Compatible with PS5, laptops, and desktops
- Uses PCIe 3.0 x4 interface
Cons
- Lower write speed of 1550 MB/s compared to peers
- Limited 256GB storage capacity
- No included thermal heatsink
Good fit if
- You need a compact drive for a PS5 or laptop
- You want PCIe 3.0 speeds for everyday tasks
- You are upgrading a system with an M.2 2280 slot
Skip if
- You require more than 256GB of storage
- You need PCIe 4.0 speeds for heavy workloads
- You want a drive with a built-in heatsink
Verdict: Kioxia BG4 256GB NVMe SSD is a solid option for users needing a compact, compatible drive for PS5 or laptop upgrades. It fits those prioritizing form factor and standard PCIe 3.0 performance over higher capacity or speeds.
Addlink S70 Lite 1TB Gen3 NVMe SSD
Best for: high-capacity PCIe Gen3 laptop and desktop upgrades
- Storage Capacity
- 1TB
- Interface
- PCIe Gen3x4
- Form Factor
- M.2 2280
- Max Read Speed
- Up to 3200MB/s
- Max Write Speed
- 2600MB/s
- Cache Type
- SLC caching
View on Amazon: Addlink S70 Lite 1TB Gen3 NVMe SSD Affiliate link
The Addlink S70 Lite is an internal M.2 2280 solid-state drive built for PCIe Gen3x4 slots. It gives you 1TB of 3D NAND storage, up to 3,200 MB/s read speeds, and 2,600 MB/s write speeds backed by SLC caching. This drive suits you if you need four times the capacity of a standard 256GB drive.
Pros
- Up to 3,200 MB/s read and 2,600 MB/s write speeds
- 1TB storage capacity using 3D NAND flash
- Standard M.2 2280 form factor fits desktops and laptops
- 5-year limited warranty coverage
Cons
- Relies on SLC caching with no onboard DRAM cache specified
- Measures 0.4 inches thick, making it taller than flat bare-board SSDs
Good fit if
- You want 1TB of storage to expand beyond a 256GB drive.
- You need read throughput up to 3,200 MB/s on a PCIe Gen3 interface.
- You want a component backed by a 5-year warranty.
Skip if
- You need a thin drive for a laptop slot that cannot accommodate a 0.4-inch height.
- You require speeds higher than Gen3 limits allow.
Verdict: Addlink S70 Lite 1TB PCIe 3.0 NVMe SSD delivers 1TB capacity and 3,200 MB/s reads to users replacing a smaller 256GB drive. It gives desktop and laptop systems high Gen3 bandwidth backed by a five-year warranty.
SK Hynix 512GB PCIe 3.0 NVMe SSD
Best for: Standard laptop and desktop upgrades
- Storage Capacity
- 512GB
- Interface
- PCIe Gen3 x4
- Max Read Speed
- 3400 MB/s
- Max Write Speed
- 2500 MB/s
- Form Factor
- M.2 2280
- Compatibility
- Laptop, Desktop
View on Amazon: SK Hynix 512GB PCIe 3.0 NVMe SSD Affiliate link
This SK Hynix drive offers 512GB of storage in an M.2 2280 form factor. It uses PCIe Gen3 x4 for compatibility with most laptops and desktops. Sequential speeds reach 3400 MB/s read and 2500 MB/s write. You get reliable performance for general computing tasks. The compact physical design fits standard drive bays. It is a solid option if you need more capacity than smaller drives provide.
Pros
- 512GB storage capacity
- Sequential read up to 3400 MB/s
- Sequential write up to 2500 MB/s
- Compatible with M.2 2280 NVMe PCIe 3.0 x4 systems
Cons
- Write speed is lower than read speed
- Limited to PCIe Gen3 interface
- No included heatsink mentioned
Good fit if
- You need 512GB of storage space
- You are upgrading a laptop or desktop
- You want a standard M.2 2280 drive
Skip if
- You require PCIe Gen4 speeds
- You need more than 512GB capacity
- You are building a compact mini-ITX PC with limited height
Verdict: SK Hynix PC601 512GB NVMe SSD delivers balanced performance for users who need moderate storage in a standard form factor. It suits those upgrading older systems who do not need the latest interface speeds.
TEAMGROUP MP33 256GB PCIe 3.0 M.2 SSD
Best for: Budget upgrades for older laptops and desktops
- Storage Capacity
- 256GB
- Interface
- PCIe Gen3x4
- Max Read Speed
- 1600 MB/s
- Max Write Speed
- 1000 MB/s
- Cache Type
- SLC Cache
- Form Factor
- M.2 2280
View on Amazon: TEAMGROUP MP33 256GB PCIe 3.0 M.2 SSD Affiliate link
The TEAMGROUP MP33 is a 256GB M.2 2280 drive using PCIe Gen3x4 and TLC NAND. It offers sequential read speeds up to 1600 MB/s and write speeds up to 1000 MB/s. The drive uses an SLC cache to manage performance. It fits both desktops and laptops. This model provides a budget-friendly entry point for basic storage needs without requiring high-end components.
Pros
- Sequential read speeds reach 1600 MB/s
- Sequential write speeds reach 1000 MB/s
- Uses efficient 3D TLC NAND memory
- Includes SLC cache for burst performance
- Compatible with standard M.2 2280 slots
Cons
- 256GB capacity is smaller than 512GB or 1TB alternatives
- Write speeds are lower than high-end NVMe drives
- No included hardware mounting screws or heatsink
Good fit if
- You need a low-cost upgrade for an older laptop
- You are building a budget desktop with limited storage needs
- You want a reliable drive for basic office tasks
Skip if
- You require large storage for heavy media libraries
- You need maximum write speeds for professional video editing
- You are installing the drive in a slot without M.2 support
Verdict: TEAMGROUP MP33 256GB NVMe SSD is a practical budget drive for users who prioritize cost over capacity. It suits those needing basic storage for everyday computing tasks on compatible M.2 slots.
Timetec 512GB PCIe 3.0 M.2 SSD
Best for: Users needing reliable 512GB M.2 storage
- Storage Capacity
- 512GB
- Interface
- NVMe PCIe Gen3x4
- Form Factor
- M.2 2280
- Max Read Speed
- Up to 2,000MB/s
- Max Write Speed
- Up to 1,600MB/s
- Cache Type
- SLC Cache
View on Amazon: Timetec 512GB PCIe 3.0 M.2 SSD Affiliate link
The Timetec 512GB SSD uses M.2 2280 form factor and NVMe PCIe Gen3x4 interface. It offers sequential read speeds up to 2,000MB/s and write speeds up to 1,600MB/s. The drive includes SLC Cache technology for performance boosts. It supports 3D NAND and various error correction features. This drive suits users needing reliable 512GB storage for desktops or laptops.
Pros
- Sequential read speed up to 2,000MB/s
- Sequential write speed up to 1,600MB/s
- SLC Cache technology for performance boost
- 1,500,000 hours mean time before failure
Cons
- Lower write speed than faster alternatives
- No included mounting screws or brackets
- Only 512GB capacity option available
Good fit if
- You need a reliable 512GB NVMe drive
- You use a desktop or laptop with M.2 slot
- You want SLC Cache for better sustained performance
Skip if
- You require PCIe Gen4 speeds
- You need 1TB or larger capacity
- You want included mounting hardware
Verdict: Timetec 512GB NVMe SSD PCIe 3.0 fits users who prioritize reliability and SLC Cache performance in a standard M.2 2280 form factor.
Acclamator 256GB PCIe Gen3 M.2 SSD
Best for: budget PCIe 3.0 storage upgrades
- Storage Capacity
- 256GB
- Interface
- PCIe Gen3x4
- Form Factor
- M.2 2280
- Max Read Speed
- 1800MB/s
- Cache Type
- SLC caching
- Compatibility
- Laptop, Desktop
View on Amazon: Acclamator 256GB PCIe Gen3 M.2 SSD Affiliate link
The Acclamator 256GB NVMe SSD is an M.2 2280 drive using PCIe Gen3x4 interface. It delivers read speeds up to 1800MB/s and utilizes 3D TLC NAND with SLC caching for improved 4K performance. This drive fits laptops and desktops. It offers a 150TBW endurance rating and a three-year warranty. It serves as a budget-friendly alternative for basic storage upgrades.
Pros
- Read speeds up to 1800MB/s
- Uses 3D TLC NAND flash
- Includes SLC caching for 4K performance
- 150TBW endurance rating for 256GB model
Cons
- Read speed is lower than competitors reaching 3200MB/s
- 256GB capacity is smaller than 512GB options
- Brand has lower market recognition than major manufacturers
Good fit if
- You need a basic PCIe 3.0 upgrade
- You want a low-cost 256GB drive
- You prioritize endurance rating over top speed
Skip if
- You require maximum sequential read speeds
- You need more than 256GB storage
- You prefer established brand names
Verdict: Acclamator 256GB NVMe SSD provides decent speeds for budget builds. It suits users who need reliable basic storage without paying for higher capacity or faster top-end performance.
KIOXIA XG6 512GB PCIe 3.0 NVMe SSD
Best for: Upgrading older laptops and desktops
- Storage Capacity
- 512GB
- Interface
- PCIe Gen3 x4
- Max Read Speed
- 3100 MB/s
- Max Write Speed
- 2800 MB/s
- Form Factor
- M.2 2280
- Compatibility
- Laptop, Desktop
View on Amazon: KIOXIA XG6 512GB PCIe 3.0 NVMe SSD Affiliate link
This Kioxia drive offers 512GB of storage in a standard M.2 2280 form factor. It uses a PCIe Gen3 x4 interface to deliver sequential read speeds up to 3100 MB/s and write speeds up to 2800 MB/s. The compact dimensions of 3.2 by 0.9 by 0.1 inches make it suitable for most laptops and desktops with an available M.2 slot. It provides a reliable upgrade path for systems supporting NVMe protocols.
Pros
- Sequential read speeds up to 3100 MB/s
- Sequential write speeds up to 2800 MB/s
- Standard M.2 2280 form factor
- 512GB storage capacity
Cons
- PCIe Gen3 interface limits potential throughput compared to Gen4 options
- No included mounting hardware or thermal pads listed
- No software management tools mentioned in specifications
Good fit if
- You need a reliable upgrade for an older laptop or desktop
- You require 512GB of storage space
- You want a drive from a known manufacturer
Skip if
- You need the absolute fastest Gen4 speeds available
- You are looking for a drive with included accessories
- You require more than 512GB in a single unit
Verdict: Kioxia XG6 512GB PCIe 3.0 NVMe SSD is a solid mid-range option for users upgrading older systems who value established brand reliability over cutting-edge speed. It fits well in standard M.2 slots where space is limited but performance needs are moderate.
Specifications side by side
| Spec | KIOXIA BG4 256GB PCIe 3.0 NVMe SSD | Addlink S70 Lite 1TB Gen3 NVMe SSD | SK Hynix 512GB PCIe 3.0 NVMe SSD | TEAMGROUP MP33 256GB PCIe 3.0 M.2 SSD | Timetec 512GB PCIe 3.0 M.2 SSD | Acclamator 256GB PCIe Gen3 M.2 SSD | KIOXIA XG6 512GB PCIe 3.0 NVMe SSD |
|---|---|---|---|---|---|---|---|
| Storage Capacity | 256GB | 1TB | 512GB | 256GB | 512GB | 256GB | 512GB |
| Interface | NVMe PCIe 3.0 Gen3 x4 | PCIe Gen3x4 | PCIe Gen3 x4 | PCIe Gen3x4 | NVMe PCIe Gen3x4 | PCIe Gen3x4 | PCIe Gen3 x4 |
| Form Factor | not specified | M.2 2280 | not specified | not specified | M.2 2280 | M.2 2280 | not specified |
| Max Read Speed | Up to 3050 MB/s | Up to 3200MB/s | 3400 MB/s | 1600 MB/s | Up to 2,000MB/s | 1800MB/s | 3100 MB/s |
| Max Write Speed | Up to 1550 MB/s | 2600MB/s | 2500 MB/s | 1000 MB/s | Up to 1,600MB/s | not specified | 2800 MB/s |
| Cache Type | not specified | SLC caching | not specified | SLC Cache | SLC Cache | SLC caching | not specified |
| Compatibility | Laptop, Desktop, PS5 | Laptop, Desktop, Gaming | Laptop, Desktop | Laptop, Desktop | Laptop, Desktop | Laptop, Desktop | Laptop, Desktop |
| NAND Type | not specified | 3D NAND | not specified | 3D NAND, TLC | 3D NAND | 3D NAND | not specified |
| Size | not specified | 1TB | not specified | 256GB | 512GB | 256GB | not specified |
| Dimensions | 3.2 × 0.9 × 0.1 inches | 3.2 × 0.8 × 0.4 inches | 3.15 × 0.87 × 0.12 inches | 23.6 × 23.6 × 33.5 inches | not specified | 3.15 × 0.87 × 0.12 inches | 3.2 × 0.9 × 0.1 inches |
| Weight | not specified | 0.7 ounces | not specified | not specified | 0.63 ounces | 0.35 ounces | not specified |
| Model | KBG40ZNV256G L57447-001 | ad1TBS70M2P | HFS512GD9TNG 0V4RWG V4RWG | TM8FP6256G0C101 | MK03-512GB-M2 | N20-256GB | KXG60ZNV512G |
| Color | not specified | S70 Lite | Black | Multicoloured | PCIe Gen3 | not specified | not specified |
Frequently asked questions
Which PCIe 3.0 SSD is best for PS5 storage upgrades?
The KIOXIA BG4 256GB is a solid option for PS5 upgrades. It fits the required M.2 2280 form factor and uses the standard PCIe 3.0 interface. This drive is compatible with laptops, desktops, and PlayStation 5 consoles. You get reliable performance in a compact size that fits easily into your console’s expansion slot.
What is the highest capacity PCIe 3.0 drive on this list?
The Addlink S70 Lite 1TB offers the highest capacity. It provides 1TB of storage using the PCIe 3.0 interface. The drive uses 3D NAND technology and fits the standard M.2 2280 form factor. This makes it ideal for users who need ample space without switching to a newer, potentially incompatible interface.
Are there budget-friendly 256GB alternatives to the BG4?
Yes, the TEAMGROUP MP33 and Acclamator 256GB are practical budget choices. Both use the PCIe 3.0 interface and M.2 2280 form factor. The TEAMGROUP model features TLC NAND and SLC Cache for efficient performance. The Acclamator drive also uses 3D NAND. Both are suitable for basic computing tasks on older laptops and desktops.
Which drive offers 512GB with SLC Cache for better reliability?
The Timetec 512GB PCIe 3.0 M.2 SSD includes SLC Cache. It uses 3D NAND and fits the standard M.2 2280 form factor. This cache type helps maintain consistent speeds during heavy workloads. The drive is compatible with laptops and desktops, making it a reliable mid-range option for users needing more than 256GB.
Does the SK Hynix drive fit in standard laptops?
Yes, the SK Hynix 512GB PCIe 3.0 NVMe SSD fits standard laptops. It uses the M.2 2280 form factor and PCIe 3.0 interface. The drive is designed for compatibility with both laptops and desktops. It delivers balanced performance for users upgrading older systems who need moderate storage without requiring the latest interface speeds.
Is the KIOXIA XG6 a good upgrade for older systems?
The KIOXIA XG6 512GB is a solid mid-range option for older systems. It uses the PCIe 3.0 interface and M.2 2280 form factor. This drive fits well in standard M.2 slots where space is limited. It offers established brand reliability and moderate performance, making it suitable for users who do not need cutting-edge speeds.
Which SSD is best for users prioritizing capacity over speed?
The Addlink S70 Lite 1TB is best for prioritizing capacity. It provides 1TB of storage on the PCIe 3.0 interface. You get ample space for files and applications while maintaining standard Gen3 performance. The drive uses 3D NAND and fits the M.2 2280 form factor, making it efficient for users who value size over top-end speed.