OWC Mercury M.2 250Gb NVMe SSD detailed review

Posted on February 05, 2024 by Raymond Chen

Should you buy Mercury M.2 (250Gb) produced by OWC and extra characteristics read below on this site.

OWC Mercury M.2 250Gb NVMe SSD detailed review

Mercury M.2 (250Gb) produced by OWC works on Silicon Motion SM2260. The Mercury M.2 comes equipped with MLC memory. This NVMe besides, available in three capacities, including 500 Gb, 1 Tb and 2 Tb volume sizes.

🚀 Performance and benchmarks

Internal SSD use PCIe M.2 3.0 x 4 with maximum write speeds 1087 Mbps, and maximum read speeds 1872 Mbps. It also has IOPS 190000 on writing and 155000 on reading operations.

🖥️ Endurance and warranty

OWC provide 3 years warranty.

📊 Specs

Category Value
Capacity 250 Gb
Interface M.2 3.0 x 4
Controller Silicon Motion SM2260
Memory type MLC
DRAM n/a
Read speed (Mb/s) 1872
Write speed (Mb/s) 1087
Read IOPS 155000
Write IOPS 190000
Endurance (TBW) n/a
MTBF (million hours) n/a
Warranty (years) 3


OWC Mercury M.2 250Gb support PCIe Gen3 that is significantly slower than PCIe 4.0. The write speed is 1087 Mbps, that is slower than has most of competitors. When everything is weighed in the balance, OWC Mercury M.2 250Gb has more disadvantages and our editor highly do not recommend to buy it.

+ Pros

  • None

- Cons

  • Slow writing speed
  • PCIe 3.0
  • Capacity

🛒 Buy this or similar SSD Storage:

Samsung 980 Pro 2 Tb

-57% $165
List Price: $379.99

Buy on Amazon

✨ Video Review

OWC Aura Pro SSD Upgrades Give You More Storage & Let You Repurpose Your Old SSD

⁉️ FAQ

The Mercury M.2 250Gb has no Dynamic Random-Access Memory or information about it is unknown. Dynamic random-access memory (DRAM) makes SSD faster, but also more expensive.

The OWC Mercury M.2 due to the low density of memory chips may run without extra cooling systems. Some motherboards designed with additional cooling above or below the storage for better productivity during times of high loads.

The OWC Mercury M.2 250Gb has sequential write speed 1087 Mb per second, sequential read speed 1872 Mb/s. It run on Silicon Motion SM2260 controller and M.2 3.0 x 4 interface standard. The memory type is MLC.
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