Western Digital Black SN850 500 GB vs Western Digital Caviar Green 1.5 TB

A side-by-side spec comparison of the Western Digital Black SN850 500 GB and the Western Digital Caviar Green 1.5 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 Black SN850 500 GB and Western Digital Caviar Green 1.5 TB.
Specification	Western Digital Black SN850 500 GB $179.99 Winner Buy on Newegg	Western Digital Caviar Green 1.5 TB $179.95 Buy on Amazon
Type	SSD	HDD
Cache	0	64
Capacity	500 GB	1500 GB
Interface	NVMe Gen4	SATA
Read Speed	7000 MB/s	550 MB/s
Form Factor	M.2 2280	3.5"
Write Speed	5000 MB/s	520 MB/s

Western Digital Black SN850 500 GB

specs won

Western Digital Caviar Green 1.5 TB

spec won

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