Western Digital Blue SN580 2 TB vs Western Digital Ultrastar DC HC520 12 TB

A side-by-side spec comparison of the Western Digital Blue SN580 2 TB and the Western Digital Ultrastar DC HC520 12 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 Blue SN580 2 TB and Western Digital Ultrastar DC HC520 12 TB.
Specification	Western Digital Blue SN580 2 TB $332.14 Winner Buy on Amazon	Western Digital Ultrastar DC HC520 12 TB $333.00 Buy on Amazon
Type	SSD	HDD
Cache	0	0
Capacity	2000 GB	12000 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 Blue SN580 2 TB

specs won

Western Digital Ultrastar DC HC520 12 TB

spec won

As an Amazon Associate, PlanMyPC earns from qualifying purchases made through links on this page.

Compare more parts

Add a third or fourth storage to this comparison, or build a side-by-side from scratch in the interactive compare tool.

Open in interactive compare tool All Storage