Western Digital RE 2 TB vs Western Digital RE4 1.5 TB

A side-by-side spec comparison of the Western Digital RE 2 TB and the Western Digital RE4 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 RE 2 TB and Western Digital RE4 1.5 TB.
Specification	Western Digital RE 2 TB $204.99 Winner Buy on Amazon	No image Western Digital RE4 1.5 TB No price data
Type	HDD	HDD
Cache	32	64
Capacity	2000 GB	1500 GB
Interface	SAS 6.0 Gb/s	SATA
Read Speed	550 MB/s	550 MB/s
Form Factor	3.5"	3.5"
Write Speed	520 MB/s	520 MB/s

Western Digital RE 2 TB

specs won

Western Digital RE4 1.5 TB

specs won

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