Western Digital's Black SN770 works on PCIe M.2 4.0 x 4. More details about this SSD on this site.
Western Digital's 1Tb Black SN770 NVMe SSD works on SanDisk controller. The Black SN770 comes equipped with TLC flash memory. This NVMe besides, available in three capacities, including 500 Gb, 2 Tb and 250 Gb volume sizes.
Performance and benchmarks
Storage works on PCIe M.2 4.0 x 4 with read speeds 5150 Mbps, and sequential write speeds equals to 4900 Mbps. This model has IOPS 800000 on writing and 650000 on reading operations.
Endurance and warranty
Western Digital give 5 years warranty period limited by 1200 TBW.
|Interface||M.2 4.0 x 4|
|Read speed (Mb/s)||5150|
|Write speed (Mb/s)||4900|
|MTBF (million hours)||n/a|
Western Digital Black SN770 1Tb may work on PCIe 4 that is significantly faster than PCIe 3. The sequential write speed is 4900 Mbps, that is common for this expansion standard. The SSD has endurance 1200 TBW, that is pretty good compared to closest competitors. Weighing all these factors, our site advise to purchase Western Digital Black SN770 1Tb for your PC.
- Good writing speed
- PCIe 4.0
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How can it be this good? WD_BLACK SN770 NVMe SSD 1TB Review