Kioxia XG6 256Gb NVMe SSD tech specifications

Posted on November 07, 2022 by Raymond Chen

What memory type installed in Kioxia XG6 256Gb and other details explore on this site.

Kioxia XG6 256Gb NVMe SSD tech specifications

Kioxia XG6 256Gb use Toshiba TC58NCP090GSB. The XG6 comes equipped with Toshiba TLC flash memory. This drive is offered also in 1 Tb and 512 Gb capacities.

Performance and benchmarks

This NVMe works on PCIe M.2 3.0 x 4 interface with sequential read speeds 3180 MB/s, and sequential write speeds equals to 2960 Mbps. XG6 has IOPS 365000 on writing and 355000 on reading operations.

Endurance and warranty

Kioxia give 5 years warranty for this product. As well it has 1.5 million hours mean time between failure.


Category Value
Capacity 256 Gb
Interface M.2 3.0 x 4
Controller Toshiba TC58NCP090GSB
Memory type Toshiba TLC
DRAM n/a
Read speed (Mb/s) 3180
Write speed (Mb/s) 2960
Read IOPS 355000
Write IOPS 365000
Endurance (TBW) n/a
MTBF (million hours) 1.5
Warranty (years) 5


XG6 (256Gb) produced by Kioxia use PCIe Gen3 that is significantly slower than PCIe 4. The maximum write speed is 2960 Mbps, that is pretty good for this expansion standard. After evaluating all the facts, Kioxia XG6 256Gb has more cons and we strongly do not advise to purchase it.

+ Pros

  • Good writing speed

- Cons

  • PCIe 3.0
  • Capacity

Buy this or similar SSD:

Video Review

SSD диск KIOXIA (Toshiba) M.2 XG6 256Gb KXG60ZNV256GBTYLGA


The Kioxia XG6 256Gb has no DRAM or information about it is unknown. Dynamic random-access memory (DRAM) makes storage faster, but also more expensive.

The Kioxia XG6 256Gb due to the low density of memory chips able to function with no additional cooling systems. Some motherboards from the factory has additional cooling above or below the SSD to improve productivity during high loads.

The XG6 256Gb has sequential write speed 2960 Mb/s, read speed 3180 Mb per second. SSD run on Toshiba TC58NCP090GSB controller and M.2 3.0 x 4 high-speed serial computer expansion bus standard. The memory type is Toshiba TLC.
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