Western Digital Caviar Blue 1 TB vs Western Digital SN720 2 TB

A side-by-side spec comparison of the Western Digital Caviar Blue 1 TB and the Western Digital SN720 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 Caviar Blue 1 TB and Western Digital SN720 2 TB.
Specification	Western Digital Caviar Blue 1 TB $55.00 Buy on Amazon	No image Western Digital SN720 2 TB No price data Winner
Type	HDD	SSD
Cache	32	0
Capacity	1000 GB	2000 GB
Interface	SATA	NVMe Gen3
Read Speed	550 MB/s	3500 MB/s
Form Factor	3.5"	M.2 2280
Write Speed	520 MB/s	3000 MB/s

Western Digital Caviar Blue 1 TB

specs won

Western Digital SN720 2 TB

specs won

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