Western Digital Green 120 GB vs Western Digital RE4 500 GB

A side-by-side spec comparison of the Western Digital Green 120 GB and the Western Digital RE4 500 GB. 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 Green 120 GB and Western Digital RE4 500 GB.
Specification	Western Digital Green 120 GB $39.95 Winner Buy on Amazon	Western Digital RE4 500 GB $40.42 Buy on Amazon
Type	SSD	HDD
Cache	0	64
Capacity	120 GB	500 GB
Interface	SATA	SATA
Read Speed	550 MB/s	550 MB/s
Form Factor	2.5"	3.5"
Write Speed	520 MB/s	520 MB/s

Western Digital Green 120 GB

specs won

Western Digital RE4 500 GB

spec won

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