Western Digital SN520 256 GB vs Western Digital WD Blue 2 TB

A side-by-side spec comparison of the Western Digital SN520 256 GB and the Western Digital WD Blue 2 TB. We line up every specification, highlight the winner of each, and tally an overall verdict so you can decide which storage is right for your build.

Side-by-side specification comparison of Western Digital SN520 256 GB and Western Digital WD Blue 2 TB.
Specification	No image Western Digital SN520 256 GB No price data Winner	Western Digital WD Blue 2 TB $325.95 Buy on Amazon
Type	SSD	SSD
Cache	0	0
Capacity	256 GB	2000 GB
Interface	NVMe Gen3	SATA
Read Speed	3500 MB/s	550 MB/s
Form Factor	M.2 2280	2.5"
Write Speed	3000 MB/s	520 MB/s

Western Digital SN520 256 GB

specs won

Western Digital WD Blue 2 TB

spec won

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