Kioxia BG4 128Gb NVMe detailed specs

Posted on February 05, 2024 by Raymond Chen

What memory type installed in BG4 (128Gb) produced by Kioxia and extra details watch on our page.

Kioxia BG4 128Gb NVMe detailed specs

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

🚀 Performance and benchmarks

Kioxia BG4 use PCIe M.2 3.0 x 4 2230 S3 bus with read speeds 2300 MB/s, and maximum write speeds equals to 1800 MB/s. This model has IOPS 390000 on reading and 200000 on writing operations per second.

🖥️ Endurance and warranty

Kioxia provide 5 years warranty period. As well it has 1.5 million hours MTBF.

📊 Specs

Category Value
Capacity 128 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


Kioxia BG4 128Gb use PCIe 3.0 that is twice slower than PCIe Gen4. The maximum write speed is 1800 Mb/s, that is slower than has most of competitors. On balance, Kioxia BG4 128Gb has more minuses and our editor strongly do not recommend 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

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✨ Video Review


⁉️ FAQ

The Kioxia BG4 128Gb has no Dynamic Random-Access Memory in their controller or data about it is unknown. Dynamic random-access memory (DRAM) in their controller help to improve endurance and input/output performance.

The Kioxia BG4 due to the low density of memory chips able to run with no extra heat sinks. Some motherboards or laptops already has additional cooling below or above the SSD to improve performance during heavy loads.

The Kioxia BG4 128Gb has write speed 1800 Mb per second, read speed 2300 Mb per second. SSD operate 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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