HP EX920 512Gb NVMe tech specs

Posted on November 07, 2022 by Raymond Chen

HP's EX920 NVMe SSD use PCIe M.2 3.0 x 4. Detailed characteristics of this NVMe on our page.

HP EX920 512Gb NVMe tech specs

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

Performance and benchmarks

HP EX920 use PCIe M.2 3.0 x 4 interface with maximum write speeds equals to 1800 MB/s, and maximum read speeds 3200 MB/s. It also has input/output performance 350000 on reading and 260000 on writing operations.

Endurance and warranty

HP give 3-year warranty that limited by 283 Total Bytes Written. As well it has 2 million hours MTBF.


Category Value
Capacity 512 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) 283
MTBF (million hours) 2
Warranty (years) 3


HP EX920 512Gb use previous bus standard that is significantly slower than PCIe 4.0. The maximum write speed is 1800 Mbps, that is slower than has most of competitors. The drive can write 283 TBW, that is bad compared to nearest competitors. On balance, HP EX920 512Gb has more cons and our editor strongly do not recommend to spend money for 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. Dynamic random-access memory (DRAM) in their controller help to improve I/O performance and endurance.

The EX920 512Gb due to the low density of memory chips can operate with no extra heat sinks. Some laptops or motherboards designed with additional cooling below or above the SSD to improve productivity during high loads.

The EX920 512Gb has sequential write speed 1800 Mbps, maximum read speed 3200 Mb/s. NVMe run on Silicon Motion SM2262 controller and M.2 3.0 x 4 high-speed serial computer expansion bus standard. The NAND flash memory type is Micron TLC.
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