Western Digital Ultrastar DC HC550 16 TB vs Western Digital WD_BLACK SN770M 2 TB

A side-by-side spec comparison of the Western Digital Ultrastar DC HC550 16 TB and the Western Digital WD_BLACK SN770M 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 Ultrastar DC HC550 16 TB and Western Digital WD_BLACK SN770M 2 TB.
Specification	Western Digital Ultrastar DC HC550 16 TB $694.45 Buy on Amazon	Western Digital WD_BLACK SN770M 2 TB $679.47 Winner Buy on Amazon
Type	HDD	SSD
Cache	512	0
Capacity	16000 GB	2000 GB
Interface	SAS 12.0 Gb/s	NVMe Gen4
Read Speed	550 MB/s	7000 MB/s
Form Factor	3.5"	M.2 2230
Write Speed	520 MB/s	5000 MB/s

Western Digital Ultrastar DC HC550 16 TB

spec won

Western Digital WD_BLACK SN770M 2 TB

specs won

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