OWC Mercury M.2 2Tb NVMe SSD detailed review

Posted on February 05, 2024 by Raymond Chen

How fast is the OWC Mercury M.2 2Tb and more characteristics explore on this site.

OWC Mercury M.2 2Tb NVMe SSD detailed review

OWC's 2Tb Mercury M.2 works on Silicon Motion SM2260. The Mercury M.2 comes equipped with MLC flash memory. This NVMe also available in 3 capacities: 500 Gb, 250 Gb and 1 Tb.

🚀 Performance and benchmarks

Storage use PCIe M.2 3.0 x 4 interface with write speeds 1087 Mbps, and maximum read speeds 1872 Mbps. It also has input/output performance 190000 on writing and 155000 on reading operations per second.

🖥️ Endurance and warranty

Manufacturer give 3 years warranty.

📊 Specs

Category Value
Capacity 2 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


Mercury M.2 (2Tb) produced by OWC support PCIe Gen3 that is significantly slower than PCIe 4.0. The maximum write speed is 1087 Mbps, that is slower than has most of rivals. After evaluating all the facts, OWC Mercury M.2 2Tb has more minuses and our site do not advise to purchase 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 2Tb has no dynamic random-access memory (DRAM) in their controller or data about it is not known. DRAM in their controller help to increase input/output performance and endurance.

The OWC Mercury M.2 due to the high density of memory chips require the installation of additional heat sink. This will decrease temperature of the memory chips and controller. Some laptops or motherboards from the factory has thermal pads above or below the SSD to enhance productivity during times of heavy loads.

The OWC Mercury M.2 2Tb has write speed 1087 Mb per second, sequential 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 memory type is MLC.
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