HP EX920 256Gb NVMe SSD specs

Posted on November 07, 2022 by Raymond Chen

HP's EX920 NVMe use PCIe M.2 3.0 x 4 expansion standard. More details about this NVMe in our article.

HP EX920 256Gb NVMe SSD specs

EX920 (256Gb) produced by HP use Silicon Motion SM2262 controller. This storage has Dynamic-Random Access Memory Nanya DDR3 for mapping data, located on the SSD. The EX920 comes equipped with Micron TLC memory. SSD also available in 3 capacities: 2 Tb, 1 Tb and 512 Gb.

Performance and benchmarks

Drive works on PCIe M.2 3.0 x 4 interface with sequential write speeds equals to 1800 MB/s, and read speeds 3200 MB/s. EX920 has IOPS 260000 on writing and 350000 on reading operations.

Endurance and warranty

Manufacturer give 3 years warranty for this product limited by 160 TBW. The EX920 has 2 million hours MTBF.


Category Value
Capacity 256 Gb
Interface M.2 3.0 x 4
Controller Silicon Motion SM2262
Memory type Micron TLC
Read speed (Mb/s) 3200
Write speed (Mb/s) 1800
Read IOPS 350000
Write IOPS 260000
Endurance (TBW) 160
MTBF (million hours) 2
Warranty (years) 3


HP EX920 256Gb use PCIe Gen3 that is twice slower than PCIe 4.0. The sequential write speed is 1800 Mbps, that is slower than has most of rivals. The Internal SSD provide possibility to write 160 TBW, that is not much compared to rivals. Weighing all these factors, HP EX920 256Gb has more disadvantages and we highly do not recommend to buy it.

+ Pros

  • None

- Cons

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

Buy this or similar SSD:

Video Review

HP EX920 M.2 NVME in Lian Li PC-011 Dynamic - Install & Review


The HP EX920 has Nanya DDR3. DRAM in their controller help to increase input/output performance and endurance.

The HP EX920 256Gb due to the low density of memory chips can run without further cooling systems. Some motherboards designed with thermal pads above and below the storage for better performance during high loads.

The HP EX920 256Gb has maximum write speed 1800 Mb per second, read speed 3200 Mb/s. SSD run on Silicon Motion SM2262 controller and M.2 3.0 x 4 interface standard. The NAND flash memory type is Micron TLC.
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