Drive comparison
MN11ACA18TS vs WD181KRYZ
Toshiba N300 18TB and Western Digital WD Gold 18TB, compared using published manufacturer specifications.
Toshiba
N300 18TB
MN11ACA18TS
SATA 6 Gb/s · 3.5-inch
No verified exact-model Amazon listing yet.
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Western Digital
WD Gold 18TB
WD181KRYZ
SATA 6Gb/s · 3.5-inch
$794.00
Amazon US · Used / renewed listing ↗ASIN B09PZF7LCW · as of Sep 12, 2026 04:48 UTC
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What differs between these models?
- Interface: MN11ACA18TS lists SATA 6 Gb/s; WD181KRYZ lists SATA 6Gb/s.
- Workload rating (TB/year): MN11ACA18TS lists 180; WD181KRYZ lists 550.
- Manufacturer limited warranty: MN11ACA18TS lists 3 years (eligible new drives); WD181KRYZ 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 | MN11ACA18TS | WD181KRYZ |
|---|---|---|
| Manufacturer | Toshiba | Western Digital |
| Product family | N300 | WD Gold |
| Model number | MN11ACA18TS | WD181KRYZ |
| Capacity (TB) | 18 | 18 |
| 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 | 269 |
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
MN11ACA18TS
Toshiba N300 manufacturer specifications ↗
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
WD181KRYZ
Western Digital WD Gold manufacturer datasheet ↗
Reviewed 2026-08-21. Published specifications; no independent benchmark or failure-rate claim.