HP EX900 500Gb NVMe detailed specifications

Posted on November 07, 2022 by Raymond Chen

HP's EX900 internal SSD works on PCIe M.2 3.0 x 4 interface. Detailed characteristics of this NVMe SSD in our article.

HP EX900 500Gb NVMe detailed specifications

HP's 500Gb EX900 is powered by Silicon Motion SM2263XT controller. The EX900 comes equipped with Micron TLC memory. This NVMe also available in 3 capacities: 120 Gb, 250 Gb and 1 Tb.

Performance and benchmarks

SSD use PCIe M.2 3.0 x 4 expansion standard with maximum write speeds equals to 1500 MB/s, and sequential read speeds 2100 MB/s. This model has IOPS 120000 on reading and 108000 on writing operations.

Endurance and warranty

HP provide 3 years warranty for this product limited by endurance 135 Total Bytes Written. The EX900 has 2 million hours MTBF.


Category Value
Capacity 500 Gb
Interface M.2 3.0 x 4
Controller Silicon Motion SM2263XT
Memory type Micron TLC
DRAM n/a
Read speed (Mb/s) 2100
Write speed (Mb/s) 1500
Read IOPS 120000
Write IOPS 108000
Endurance (TBW) 135
MTBF (million hours) 2
Warranty (years) 3


HP EX900 500Gb support previous bus standard that is twice slower than PCIe Gen4. The maximum write speed is 1500 Mb/s, that is slower than has most of competitors. The SSD has endurance 135 TBW, that is bad against closest rivals. After evaluating all the facts, HP EX900 500Gb has more minuses and our site highly do not advise to spend money for it.

+ Pros

  • None

- Cons

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

Buy this or similar SSD:

Video Review

Cheap $29 NVME SSD From HP! Unboxing & benchmark of HP Ex900


The HP EX900 500Gb is DRAMless SSD or information about it is not known. Dynamic random-access memory (DRAM) makes drive work faster, but also more expensive.

The EX900 500Gb due to the low density of memory chips can run without further cooling systems. Some laptops or motherboards from the factory has additional cooling above or below the drive for improving performance during heavy loads.

The HP EX900 has write speed 1500 Mb/s, sequential read speed 2100 Mb/s. SSD operate on Silicon Motion SM2263XT controller and M.2 3.0 x 4 interface standard. The NAND flash memory type is Micron TLC.
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