Western Digital Caviar Blue 640 GB vs Western Digital Green 120 GB
A side-by-side spec comparison of the Western Digital Caviar Blue 640 GB and the Western Digital Green 120 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.
| Specification | ||
|---|---|---|
| Type | HDD | SSD |
| Cache | 32 | 0 |
| Capacity | 640 GB | 120 GB |
| Interface | SATA | SATA |
| Read Speed | 550 MB/s | 550 MB/s |
| Form Factor | 3.5" | 2.5" |
| Write Speed | 520 MB/s | 520 MB/s |
Western Digital Caviar Blue 640 GB
3
specs won
Western Digital Green 120 GB
0
specs won
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