Kioxia XG6 512Gb SSD tech specifications

Posted on November 07, 2022 by Raymond Chen

Kioxia's XG6 works on PCIe M.2 3.0 x 4 interface. More details about this NVMe SSD in our article.

Kioxia XG6 512Gb SSD tech specifications

Kioxia's 512Gb XG6 NVMe SSD use Toshiba TC58NCP090GSB. The XG6 comes equipped with Toshiba TLC memory. Internal SSD besides, available in 1 Tb and 256 Gb capacities.

Performance and benchmarks

SSD works on PCIe M.2 3.0 x 4 computer expansion bus standard with sequential read speeds 3180 MB/s, and sequential write speeds equals to 2960 MB/s. This model has input/output performance 365000 on writing and 355000 on reading operations.

Endurance and warranty

Manufacturer give 5 years of warranty. The XG6 has 1.5 million hours MTBF.


Category Value
Capacity 512 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


Kioxia XG6 512Gb use previous bus standard that is significantly slower than PCIe 4. The maximum write speed is 2960 Mbps, that is common for this computer expansion bus standard. After evaluating all the facts, Kioxia XG6 512Gb has more disadvantages and our editor do not recommend to have it.

+ Pros

  • Good writing speed

- Cons

  • PCIe 3.0
  • Capacity

Buy this or similar SSD:

Video Review



The XG6 512Gb is DRAMless storage or information about it is not known. DRAM in their controller help to increase endurance and input/output performance.

The Kioxia XG6 due to the low density of memory chips able to last without additional heat sinks. Some motherboards designed with thermal pads above and below the SSD to improve productivity during times of high loads.

The Kioxia XG6 has sequential write speed 2960 Mb per second, maximum read speed 3180 Mb/s. It works on Toshiba TC58NCP090GSB controller and M.2 3.0 x 4 interface standard. The NAND memory type is Toshiba TLC.
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