Drive comparison
HDWG81EXZSTB vs WD141KFGX
Toshiba N300 Pro 14TB and Western Digital WD Red Pro 14TB, compared using published manufacturer specifications.
Toshiba
N300 Pro 14TB
HDWG81EXZSTB
SATA 6 Gb/s · 3.5-inch
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WD Red Pro 14TB
WD141KFGX
SATA 6Gb/s · 3.5-inch
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What differs between these models?
- Interface: HDWG81EXZSTB lists SATA 6 Gb/s; WD141KFGX lists SATA 6Gb/s.
- Cache (MB): HDWG81EXZSTB lists 1024; WD141KFGX lists 512.
- Sustained transfer (up to MB/s): HDWG81EXZSTB lists 294; WD141KFGX lists 255.
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 | HDWG81EXZSTB | WD141KFGX |
|---|---|---|
| Manufacturer | Toshiba | Western Digital |
| Product family | N300 Pro | WD Red Pro |
| Model number | HDWG81EXZSTB | WD141KFGX |
| Capacity (TB) | 14 | 14 |
| RPM | 7200 | 7200 |
| NAS bays | 24 | Not recorded |
| Interface | SATA 6 Gb/s | SATA 6Gb/s |
| Recording | CMR | CMR |
| Cache (MB) | 1024 | 512 |
| Form factor | 3.5-inch | 3.5-inch |
| Sector format | 512e | Not recorded |
| Idle power (W) | 3.66 | Not recorded |
| Package / region | US retail; manufacturer-documented bulk package alias | Not recorded |
| Workload rating (TB/year) | 550 | 550 |
| Average operating power (W) | 6.94 | Not recorded |
| Rotational vibration sensors | Yes | Not recorded |
| Manufacturer limited warranty | 5 years (eligible new drives) | 5 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 294 | 255 |
| Physical sector size (bytes) | Not recorded | 4096 |
Compatibility and buying checks
- Check sector-format support in the controller and operating system, particularly for native 4K (4Kn) variants.
- Compare new and renewed offers separately. The manufacturer specification does not guarantee the warranty or return policy of a marketplace seller.
Manufacturer sources
HDWG81EXZSTB
Toshiba N300 Pro US datasheet TAEC-2839-R2.0, July 2026 ↗ · pages 4, 7
Reviewed 2026-09-08. Published specifications; no independent benchmark or failure-rate claim.
WD141KFGX
Western Digital WD Red Pro manufacturer datasheet ↗
Reviewed 2026-08-21. Published specifications; no independent benchmark or failure-rate claim.