Western Digital Caviar Blue 320 GB vs Western Digital PC SN740 Pyrite 256 GB
A side-by-side spec comparison of the Western Digital Caviar Blue 320 GB and the Western Digital PC SN740 Pyrite 256 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 | 16 | 0 |
| Capacity | 320 GB | 256 GB |
| Interface | SATA | NVMe Gen4 |
| Read Speed | 550 MB/s | 7000 MB/s |
| Form Factor | 3.5" | M.2 2230 |
| Write Speed | 520 MB/s | 5000 MB/s |
Western Digital Caviar Blue 320 GB
1
spec won
Western Digital PC SN740 Pyrite 256 GB
2
specs won
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