Drive comparison
HDWG51CUZSVA vs WD122KRYZ
Toshiba N300 12TB and Western Digital WD Gold 12TB, compared using published manufacturer specifications.
Toshiba
N300 12TB
HDWG51CUZSVA
SATA 6 Gb/s · 3.5-inch
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Full specifications & all listings →Western Digital
WD Gold 12TB
WD122KRYZ
SATA 6Gb/s · 3.5-inch
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Amazon US · New listing ↗ASIN B0DF93LR3N
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What differs between these models?
- Interface: HDWG51CUZSVA lists SATA 6 Gb/s; WD122KRYZ lists SATA 6Gb/s.
- Workload rating (TB/year): HDWG51CUZSVA lists 180; WD122KRYZ lists 550.
- Manufacturer limited warranty: HDWG51CUZSVA lists 3 years (eligible new drives); WD122KRYZ lists 5 years (eligible new drives).
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 | HDWG51CUZSVA | WD122KRYZ |
|---|---|---|
| Manufacturer | Toshiba | Western Digital |
| Product family | N300 | WD Gold |
| Model number | HDWG51CUZSVA | WD122KRYZ |
| Capacity (TB) | 12 | 12 |
| RPM | 7200 | 7200 |
| Interface | SATA 6 Gb/s | SATA 6Gb/s |
| Recording | CMR | CMR |
| Form factor | 3.5-inch | 3.5-inch |
| Package / region | Bulk / EMEA | Not recorded |
| Workload rating (TB/year) | 180 | 550 |
| Manufacturer limited warranty | 3 years (eligible new drives) | 5 years (eligible new drives) |
| Cache (MB) | Not recorded | 512 |
| Logical sector size (bytes) | Not recorded | 512 |
| Physical sector size (bytes) | Not recorded | 4096 |
| Sustained transfer (up to MB/s) | Not recorded | 267 |
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
HDWG51CUZSVA
Toshiba N300 manufacturer specifications ↗
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
WD122KRYZ
Western Digital WD Gold manufacturer datasheet ↗
Reviewed 2026-08-21. Published specifications; no independent benchmark or failure-rate claim.