Kioxia BG4 256Gb NVMe SSD technical specs

Posted on February 05, 2024 by Raymond Chen

Kioxia's BG4 internal SSD use PCIe M.2 3.0 x 4 2230 S3 expansion standard. Read below about this NVMe on our page.

Kioxia BG4 256Gb NVMe SSD technical specs

Kioxia's 256Gb BG4 NVMe SSD is powered by Toshiba. The BG4 comes equipped with Toshiba 3D TLC flash memory. This drive also available in three capacities, including 128 Gb, 1 Tb and 512 Gb.

🚀 Performance and benchmarks

Storage use PCIe M.2 3.0 x 4 2230 S3 with maximum read speeds 2300 MB/s, and sequential write speeds 1800 MB/s. BG4 has input/output performance 200000 on writing and 390000 on reading operations per second.

🖥️ Endurance and warranty

Kioxia provide 5 years warranty for this product. As well it has 1.5 million hours MTBF.

📊 Specs

Category Value
Capacity 256 Gb
Interface M.2 3.0 x 4 2230 S3
Controller Toshiba
Memory type Toshiba 3D TLC
DRAM n/a
Read speed (Mb/s) 2300
Write speed (Mb/s) 1800
Read IOPS 390000
Write IOPS 200000
Endurance (TBW) n/a
MTBF (million hours) 1.5
Warranty (years) 5

Conclusion

BG4 (256Gb) produced by Kioxia may work on PCIe Gen3 that is undoubtedly slower than PCIe Gen4. The write speed is 1800 Mb/s, that is slower than has most of rivals. Overall, Kioxia BG4 256Gb has more minuses and we strongly do not advise to purchase it.

+ Pros

  • None

- Cons

  • Slow writing speed
  • PCIe 3.0
  • Capacity

🛒 Buy this or similar SSD Storage:

Samsung 980 Pro 2 Tb

-57% $165
List Price: $379.99

Buy on Amazon

✨ Video Review

The TINY 1TB SSD

⁉️ FAQ

The Kioxia BG4 has no Dynamic Random-Access Memory or information about it is not known. Dynamic random-access memory (DRAM) in their controller help to increase endurance and input/output performance.

The Kioxia BG4 256Gb due to the low density of memory chips can function without extra cooling systems. Some motherboards from the factory has additional cooling above and below the drive to improve productivity during heavy loads.

The Kioxia BG4 has write speed 1800 Mb/s, read speed 2300 Mbps. NVMe run on Toshiba controller and M.2 3.0 x 4 2230 S3 high-speed serial computer expansion bus standard. The NAND flash memory type is Toshiba 3D TLC.
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