OWC Mercury M.2 1Tb NVMe SSD review

Posted on February 05, 2024 by Raymond Chen

What memory type installed in OWC Mercury M.2 1Tb and another characteristics read below here.

OWC Mercury M.2 1Tb NVMe SSD review

OWC's 1Tb Mercury M.2 use Silicon Motion SM2260 controller. The Mercury M.2 comes equipped with MLC memory. OWC Mercury M.2 is offered also in 3 capacities, including 2 Tb, 500 Gb and 250 Gb volume sizes.

🚀 Performance and benchmarks

SSD works on PCIe M.2 3.0 x 4 with maximum write speeds equals to 1087 Mbps, and sequential read speeds 1872 MB/s. It also has input/output performance 155000 on reading and 190000 on writing operations.

🖥️ Endurance and warranty

OWC provide 3 years warranty.

📊 Specs

Category Value
Capacity 1 Tb
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 1Tb use PCIe 3 that is undoubtedly slower than PCIe 4.0. The write speed is 1087 Mb/s, that is slower than has most of competitors. On balance, OWC Mercury M.2 1Tb has more disadvantages and our editor strongly do not advise to buy it.

+ Pros

  • Capacity

- Cons

  • Slow writing speed
  • PCIe 3.0

🛒 Buy this or similar SSD Storage:

Samsung 980 Pro 2 Tb

-57% $165
List Price: $379.99

Buy on Amazon

✨ Video Review

Review: OWC Express 4M2 SSD enclosure - 8TB!

⁉️ FAQ

The OWC Mercury M.2 is DRAMless SSD or data about it is unknown. Dynamic random-access memory (DRAM) in their controller help to increase input/output performance and endurance.

The OWC Mercury M.2 1Tb due to the low density of memory chips can operate with no extra cooling systems. Some laptops or motherboards designed with additional cooling above or below the drive for better productivity during heavy loads.

The Mercury M.2 1Tb has sequential write speed 1087 Mbps, maximum read speed 1872 Mbps. Storage run on Silicon Motion SM2260 controller and M.2 3.0 x 4 high-speed serial computer expansion bus standard. The NAND flash memory type is MLC.
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