Western Digital Caviar Blue 1 TB vs Western Digital SN520 128 GB
A side-by-side spec comparison of the Western Digital Caviar Blue 1 TB and the Western Digital SN520 128 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 | 1000 GB | 128 GB |
| Interface | SATA | NVMe Gen3 |
| Read Speed | 550 MB/s | 3500 MB/s |
| Form Factor | 3.5" | M.2-2242 |
| Write Speed | 520 MB/s | 3000 MB/s |
Western Digital Caviar Blue 1 TB
1
spec won
Western Digital SN520 128 GB
2
specs won
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