Kioxia Exceria 250Gb NVMe SSD tech review

Posted on November 07, 2022 by Raymond Chen

What memory type installed in Kioxia Exceria 250Gb and further details read below here.

Kioxia Exceria 250Gb NVMe SSD tech review

Kioxia's 250Gb Exceria internal SSD is powered by Toshiba TC58NC1202GST. The SSD storing a data location map on Dynamic-Random Access Memory 1GB DDR4 SLC-Cache to run a games faster. The Exceria comes equipped with Toshiba 3D TLC memory. Internal SSD is offered also in 1 Tb and 500 Gb capacities.

Performance and benchmarks

Kioxia Exceria works on PCIe M.2 3.0 x 4 computer expansion bus standard with sequential write speeds 1600 MB/s, and maximum read speeds 1700 MB/s. It also has input/output performance 400000 on writing and 350000 on reading operations per second.

Endurance and warranty

Manufacturer give 5-year warranty limited by endurance 100 Total Bytes Written. As well it has 1.5 million hours MTBF.


Category Value
Capacity 250 Gb
Interface M.2 3.0 x 4
Controller Toshiba TC58NC1202GST
Memory type Toshiba 3D TLC
Read speed (Mb/s) 1700
Write speed (Mb/s) 1600
Read IOPS 350000
Write IOPS 400000
Endurance (TBW) 100
MTBF (million hours) 1.5
Warranty (years) 5


Exceria (250Gb) produced by Kioxia may work on PCIe Gen3 that is undoubtedly slower than PCIe 4. The write speed is 1600 Mbps, that is slower than has most of competitors. The SSD provide possibility to write 100 TBW, that is poor against nearest competitors. After evaluating all the facts, Kioxia Exceria 250Gb has more disadvantages and our site strongly do not advise to purchase it.

+ Pros

  • None

- Cons

  • Slow writing speed
  • PCIe 3.0
  • Capacity
  • Writing speed

Buy this or similar SSD:

Video Review



The Kioxia Exceria has 1GB DDR4 SLC-Cache. DRAM makes storage faster, but more expensive.

The Exceria 250Gb due to the low density of memory chips can function without extra cooling systems. Some motherboards or laptops designed with additional cooling above or below the storage to improve productivity during times of high loads.

The Kioxia Exceria 250Gb has sequential write speed 1600 Mb/s, maximum read speed 1700 Mbps. NVMe run on Toshiba TC58NC1202GST controller and M.2 3.0 x 4 high-speed serial computer expansion bus standard. The memory type is Toshiba 3D TLC.
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