5 Best KIOXIA M.2 2280 Nvme SSDs, Compared

Quick picks

The best fit for you

• You need reliable storage for a basic Gen3 system KIOXIA BG6 256GB M.2 NVMe SSD It provides solid Gen3 read speeds in a compact 0.9 by 3.2 inch package.
• You want a practical upgrade for a standard laptop KIOXIA XG6 512GB PCIe 3.0 NVMe SSD This 512GB drive offers standard Gen3 speeds compatible with most laptops and desktops.
• You are building a budget PC or upgrading a PS5 KIOXIA BG4 256GB PCIe 3.0 NVMe SSD It is a cost-effective PCIe 3.0 option that fits laptops, desktops, and PS5 consoles.
• You edit 4K video or run AI workloads on Gen5 hardware Kioxia Exceria Pro G2 2TB PCIe 5.0 This PCIe 5.0 drive delivers top-tier sequential speeds for large file transfers.

Our 5 picks

1 Best overall

KIOXIA BG6 256GB M.2 NVMe SSD

Best for: Basic storage in PCIe Gen3 systems

Form Factor

M.2 2280 (what this guide is about)

Storage Capacity

256GB

Interface

PCIe Gen4 x4

Max Read Speed

3050 MB/s

Max Write Speed

1550 MB/s

Dimensions

3.2 × 0.9 × 0.1 inches

View on Amazon: KIOXIA BG6 256GB M.2 NVMe SSD Affiliate link

The KIOXIA BG6 is a 256GB M.2 2280 NVMe drive using a PCIe Gen4 x4 interface. It offers sequential read speeds up to 3050 MB/s and write speeds up to 1550 MB/s. Random access reaches 355K read and 365K write IOPS. You can install it in any system supporting M.2 2280 NVMe PCIe Gen3 x4. This makes it a compact, high-speed option for general storage needs.

Pros

• Sequential read speed up to 3050 MB/s
• Sequential write speed up to 1550 MB/s
• Random read performance up to 355K IOPS
• Compatible with PCIe Gen3 x4 systems

Cons

• Limited to 256GB storage capacity
• Write speed is significantly lower than read speed
• Does not support PCIe Gen5 speeds

Good fit if

• You need a compact NVMe drive for a Gen3 system
• You want high sequential read speeds for light tasks
• You require a small form factor M.2 2280 SSD

Skip if

• You need more than 256GB of storage space
• You require PCIe Gen5 speeds for heavy workloads
• You are building a high-end gaming or workstation PC

Verdict: KIOXIA BG6 256GB NVMe SSD provides solid Gen3 performance for basic storage. It fits users who need reliable read speeds in a small package without requiring large capacity or next-gen interfaces.

2 Also great

KIOXIA XG6 512GB PCIe 3.0 NVMe SSD

Best for: standard Gen3 laptops and desktops

Form Factor

M.2 2280 (what this guide is about)

Storage Capacity

512GB

Interface

PCIe Gen3 x4

Max Read Speed

3100 MB/s

Max Write Speed

2800 MB/s

Compatibility

Laptop, Desktop

View on Amazon: KIOXIA XG6 512GB PCIe 3.0 NVMe SSD Affiliate link

The Kioxia XG6 is a 512GB M.2 2280 NVMe drive built for PCIe Gen3 x4 systems. It delivers sequential read speeds up to 3100 MB/s and write speeds up to 2800 MB/s. This model fits standard laptop and desktop slots. It suits users who need reliable performance without the cost of newer PCIe 5.0 controllers. The compact 2280 form factor ensures compatibility with most modern chassis.

Pros

• Sequential read speeds reach 3100 MB/s
• Sequential write speeds reach 2800 MB/s
• Standard M.2 2280 form factor
• PCIe Gen3 x4 interface compatibility

Cons

• Limited to 512GB storage capacity
• Slower than PCIe 5.0 alternatives on this list
• No included hardware mounting bracket

Good fit if

• You own a PCIe Gen3 compatible laptop or desktop
• You need a reliable drive for general computing tasks
• You prefer established Gen3 performance over newer generations

Skip if

• You require storage capacity larger than 512GB
• You plan to use a PCIe 5.0 motherboard for maximum speed
• You need high-end gaming or heavy video editing performance

Verdict: The Kioxia XG6 512GB Gen3 SSD offers solid Gen3 speeds for standard laptops and desktops. It is a practical upgrade for users who do not need the extreme throughput of PCIe 5.0 drives.

3 Best budget

KIOXIA BG4 256GB PCIe 3.0 NVMe SSD

Best for: Basic storage upgrades and budget builds

Form Factor

M.2 2280 (what this guide is about)

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

Compatibility

Laptop, Desktop, PS5

View on Amazon: KIOXIA BG4 256GB PCIe 3.0 NVMe SSD Affiliate link

This Kioxia BG4 is a 256GB M.2 2280 NVMe drive using PCIe Gen3 x4. It offers sequential read speeds up to 3050 MB/s and write speeds up to 1550 MB/s. The compact 22x80mm form factor fits most laptops and desktops. It serves as a budget-friendly option for basic storage needs where high capacity or PCIe Gen5 speeds are not required.

Pros

• Sequential read speeds up to 3050 MB/s
• Compact M.2 2280 form factor
• Compatible with PCIe Gen3 x4 slots
• Fits laptops, desktops, and PS5

Cons

• Limited to 256GB storage capacity
• Slower write speeds compared to Gen5 models
• No included heatsink or mounting hardware

Good fit if

• You need a budget upgrade for an older laptop
• You require a small, reliable drive for basic storage
• You are building a PS5 with limited space

Skip if

• You need more than 256GB of storage
• You require the highest PCIe Gen5 speeds
• You are installing in a slot without M.2 support

Verdict: Kioxia BG4 256GB NVMe SSD is a practical entry-level drive for users who prioritize cost over capacity. It fits well in systems needing a simple, fast Gen3 upgrade.

4 Also great

KIOXIA EXCERIA G3 2TB PCIe 5.0

Best for: PCIe 5.0 systems needing high bandwidth

Form Factor

M.2 2280 (what this guide is about)

Storage Capacity

2TB

Interface

PCIe 5.0 x4

Max Read Speed

10,000 MB/s

Max Write Speed

9,600 MB/s

Compatibility

Desktop, Gaming

View on Amazon: KIOXIA EXCERIA G3 2TB PCIe 5.0 Affiliate link

The KIOXIA EXCERIA G3 2TB offers sequential read speeds up to 10,000 MB/s and write speeds up to 9,600 MB/s. It uses PCIe 5.0 x4 and NVMe 2.0c interfaces. The drive fits in M.2 2280 slots. It uses BiCS FLASH 3D memory. This SSD suits users needing high bandwidth for gaming or video editing.

Pros

• Read speeds up to 10,000 MB/s
• Write speeds up to 9,600 MB/s
• PCIe 5.0 x4 interface
• 2TB storage capacity

Cons

• Requires a PCIe 5.0 compatible system for full speed
• No included software suite for drive management
• Higher heat generation than PCIe 4.0 drives

Good fit if

• You need fast load times for large game libraries
• You edit 4K video or handle RAW images
• You have a PCIe 5.0 compatible motherboard

Skip if

• You use a PCIe 4.0 or older system
• You need a smaller 512GB or 1TB drive
• You prioritize low power consumption over raw speed

Verdict: KIOXIA EXCERIA G3 2TB PCIe 5.0 delivers top-tier sequential speeds for users with compatible hardware. It fits creators and gamers who need rapid data access for large files.

5 Best premium

Kioxia Exceria Pro G2 2TB PCIe 5.0

Best for: High-speed 4K video editing and AI workloads

Form Factor

M.2 2280 (what this guide is about)

Storage Capacity

2TB

Interface

PCIe 5.0 x4

Max Read Speed

14,900 MB/s

Max Write Speed

13,700 MB/s

Compatibility

Desktop, Gaming

View on Amazon: Kioxia Exceria Pro G2 2TB PCIe 5.0 Affiliate link

The KIOXIA Exceria Pro G2 delivers extreme sequential speeds with read rates up to 14,900 MB/s and write speeds up to 13,400 MB/s. This 2TB M.2 2280 drive uses PCIe 5.0 x4 and NVMe 2.0d interfaces. It features Made in Japan BiCS FLASH memory for high density. The low-profile design fits notebooks and desktops. It suits creators needing fast data access for 4K video and AI workloads.

Pros

• Read speeds up to 14,900 MB/s
• Write speeds up to 13,400 MB/s
• 2TB storage capacity
• PCIe 5.0 x4 interface

Cons

• Requires a PCIe 5.0 compatible motherboard to reach peak speeds
• Limited to sequential performance metrics in specifications
• Higher power consumption compared to PCIe 4.0 drives

Good fit if

• You need high sequential throughput for 4K video editing
• You have a PCIe 5.0 compatible motherboard
• You require 2TB of fast storage for large media files

Skip if

• You only use a PCIe 4.0 motherboard
• You need maximum battery life for ultrabooks
• You prioritize random read/write performance over sequential speeds

Verdict: KIOXIA Exceria Pro G2 2TB PCIe 5.0 offers top-tier sequential speeds for creators who need to move large files quickly. It fits users with PCIe 5.0 systems who prioritize bandwidth for video and AI tasks.

Specifications side by side

How to choose the right one

1. Match the interface version

   Check your motherboard slot to ensure it supports the drive's interface. The KIOXIA EXCERIA G3 2TB uses PCIe 5.0. This requires a compatible slot to reach top speeds. If your system is older, a PCIe 3.0 drive like the KIOXIA XG6 512GB is safer. Using a faster drive in a slower slot limits performance. Always verify the interface matches your hardware capabilities before buying.

2. Verify physical dimensions

   M.2 2280 drives share a standard width and length. Most KIOXIA models measure 3.2 inches long and 0.9 inches wide. The KIOXIA EXCERIA G3 2TB is slightly shorter at 3.19 inches. Check your case or laptop slot for clearance. Some thin laptops have limited space. Ensure the drive fits physically before installation. The height is usually minimal, but confirm it clears nearby components.

3. Check console compatibility

   If you plan to use the drive in a PlayStation 5, verify compatibility. The KIOXIA BG4 256GB PCIe 3.0 NVMe SSD lists PS5 support. Not all drives meet the strict requirements for console expansion. Using an incompatible drive may result in errors or failure to recognize the storage. Check the manufacturer's list of approved drives for your specific console model to ensure a smooth setup.

4. Assess capacity needs

   Choose a capacity that fits your workflow. The KIOXIA BG6 256GB offers basic storage. The KIOXIA XG6 512GB provides more room for standard use. The KIOXIA EXCERIA G3 2TB suits creators needing large file access. Larger capacities often cost more but offer better value per gigabyte. Consider your current storage usage and future growth. Select a size that prevents frequent cleanup or external drive reliance.

5. Consider thermal management

   High-speed drives generate more heat. The KIOXIA EXCERIA G3 2TB uses PCIe 5.0, which runs hotter. Ensure your system has adequate cooling or a heatsink. Overheating can throttle performance. Slower drives like the KIOXIA BG4 256GB run cooler. Check if your motherboard includes a built-in heatsink for M.2 slots. Proper thermal management ensures stable speeds during long transfers or intensive tasks.

Frequently asked questions

See also

• best KIOXIA nvme SSDs under 100
• best KIOXIA nvme SSDs under 200
• haojiaho m 2 2280 SSD heatsink vs laptop nvme m 2 heatsink
• sabrent 3x m 2 nvme SSD alternatives