Drive comparison
HDWR51CUZSVA vs WD120EAGZ
Toshiba X300 12TB and Western Digital WD Blue 12TB, compared using published manufacturer specifications.
Toshiba
X300 12TB
HDWR51CUZSVA
SATA 6 Gb/s · 3.5-inch
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Western Digital
WD Blue 12TB
WD120EAGZ
SATA 6Gb/s · 3.5-inch
$445.00
Amazon US · New listing ↗ASIN B0F7MJV2X8 · as of Sep 12, 2026 10:58 UTC
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What differs between these models?
- Interface: HDWR51CUZSVA lists SATA 6 Gb/s; WD120EAGZ lists SATA 6Gb/s.
A larger cache, higher RPM or higher advertised sequential speed alone does not establish which drive is better for your workload.
Specifications side by side
| Specification | HDWR51CUZSVA | WD120EAGZ |
|---|---|---|
| Manufacturer | Toshiba | Western Digital |
| Product family | X300 | WD Blue |
| Model number | HDWR51CUZSVA | WD120EAGZ |
| Capacity (TB) | 12 | 12 |
| RPM | 7200 | 7200 |
| Interface | SATA 6 Gb/s | SATA 6Gb/s |
| Form factor | 3.5-inch | 3.5-inch |
| Package / region | Bulk / EMEA | Not recorded |
| Manufacturer limited warranty | 2 years (eligible new drives) | 2 years (eligible new drives) |
| Recording | Not recorded | CMR |
| Cache (MB) | Not recorded | 512 |
| Physical sector size (bytes) | Not recorded | 4096 |
| Sustained transfer (up to MB/s) | Not recorded | 260 |
Compatibility and buying checks
- Compare new and renewed offers separately. The manufacturer specification does not guarantee the warranty or return policy of a marketplace seller.
Manufacturer sources
HDWR51CUZSVA
Toshiba X300 manufacturer specifications ↗
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
WD120EAGZ
Western Digital WD Blue manufacturer datasheet ↗
Reviewed 2026-08-21. Published specifications; no independent benchmark or failure-rate claim.