Kioxia XG5 512Gb NVMe tech specs

Posted on November 07, 2022 by Raymond Chen

Kioxia's XG5 internal SSD use PCIe M.2 3.0 x 4 expansion standard. More details about this NVMe on our page.

Kioxia XG5 512Gb NVMe tech specs

The XG5 comes equipped with Toshiba TLC flash memory. Kioxia XG5 also available in 1 Tb and 256 Gb capacities.

Performance and benchmarks

Storage use PCIe M.2 3.0 x 4 computer expansion bus standard with maximum read speeds 3000 MB/s, and sequential write speeds 2100 MB/s.

Endurance and warranty

Manufacturer provide 5 years of warranty. As well it has 1.5 million hours mean time between failure.


Category Value
Capacity 512 Gb
Interface M.2 3.0 x 4
Controller n/a
Memory type Toshiba TLC
DRAM n/a
Read speed (Mb/s) 3000
Write speed (Mb/s) 2100
Read IOPS n/a
Write IOPS n/a
Endurance (TBW) n/a
MTBF (million hours) 1.5
Warranty (years) 5


XG5 (512Gb) produced by Kioxia support PCIe 3 that is twice slower than PCIe 4. The write speed is 2100 Mb/s, that is pretty good for this computer expansion bus standard. Overall, Kioxia XG5 512Gb has more disadvantages and our site strongly do not advise to buy it.

+ Pros

  • Good writing speed

- Cons

  • PCIe 3.0
  • Capacity

Buy this or similar SSD:

Video Review



The XG5 512Gb has no dynamic random-access memory (DRAM) in their controller or information about it is not known. Dynamic Random-Access Memory makes storage faster, but more expensive.

The XG5 512Gb due to the low density of memory chips can operate with no extra heat sinks. Some motherboards or laptops from the factory has thermal pads above or below the SSD for better performance during times of high loads.

The Kioxia XG5 has maximum write speed 2100 Mbps, sequential read speed 3000 Mbps. It operate on M.2 3.0 x 4 high-speed serial computer expansion bus standard. The memory type is Toshiba TLC.
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