Western Digital Black2 1 TB vs Western Digital Caviar Green 2.5 TB

A side-by-side spec comparison of the Western Digital Black2 1 TB and the Western Digital Caviar Green 2.5 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 Black2 1 TB and Western Digital Caviar Green 2.5 TB.
Specification	Western Digital Black2 1 TB No price data Winner	Western Digital Caviar Green 2.5 TB $201.34 Buy on Amazon
Type	HDD	HDD
Cache	0	64
Capacity	1000 GB	2500 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 Black2 1 TB

specs won

Western Digital Caviar Green 2.5 TB

spec won

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