Western Digital Black SN770 2Tb SSD detailed specs

Posted on December 14, 2022 by Raymond Chen

How fast is the Western Digital Black SN770 2Tb and extra characteristics explore on this site.

Western Digital Black SN770 2Tb SSD detailed specs

Western Digital Black SN770 2Tb works on SanDisk controller. The Black SN770 comes equipped with TLC memory. NVMe SSD is offered also in 3 capacities, including 250 Gb, 1 Tb and 500 Gb.

Performance and benchmarks

SSD use PCIe M.2 4.0 x 4 with maximum write speeds 4900 Mbps, and maximum read speeds 5150 MB/s. This model has input/output performance 650000 on reading and 800000 on writing operations per second.

Endurance and warranty

Manufacturer provide 5 years warranty limited by endurance 1200 Total Bytes Written.

Specs

Category Value
Capacity 2 Tb
Interface M.2 4.0 x 4
Controller SanDisk
Memory type TLC
DRAM n/a
Read speed (Mb/s) 5150
Write speed (Mb/s) 4900
Read IOPS 650000
Write IOPS 800000
Endurance (TBW) 1200
MTBF (million hours) n/a
Warranty (years) 5

Conclusion

Western Digital Black SN770 2Tb support PCIe 4 that is twice faster than PCIe 3.0. The write speed is 4900 Mbps, that is common for this expansion standard. The NVMe has endurance 1200 TBW, that is bad compared to nearest competitors. Weighing all these factors, our site highly advise to have Western Digital Black SN770 2Tb for your PC.

+ Pros

  • Good writing speed
  • PCIe 4.0
  • Capacity

- Cons

  • Writing speed

Buy this or similar SSD:

Video Review

WD Black SN770 SSD Review – Mid Range Gaming Greatness?

FAQ

The Western Digital Black SN770 is DRAMless drive or data about it is unknown. Dynamic Random-Access Memory in their controller help to improve input/output performance and endurance.

The Western Digital Black SN770 due to the high density of memory chips requires installation of extra heat sink. It would reduce temperature of the controller and memory. Some laptops or motherboards from the factory has additional cooling above or below the SSD for better performance during times of heavy loads.

The Western Digital Black SN770 has sequential write speed 4900 Mbps, sequential read speed 5150 Mb/s. Storage works on SanDisk controller and M.2 4.0 x 4 interface standard. The memory type is TLC.
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