Toshiba · NAS
HDWG81EXZSTB
N300 Pro 14TB
SATA 6 Gb/s · 3.5-inch · CMR
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Compare alternatives ↓As an Amazon Associate I earn from qualifying purchases.The Toshiba HDWG81EXZSTB is a 14TB N300 Pro hard drive for NAS storage, using SATA 6 Gb/s in a 3.5-inch form factor.
Manufacturer specifications
| Model number | HDWG81EXZSTB |
|---|---|
| Nominal capacity | 14 TB · 14000 GB |
| RPM | 7200 |
| NAS bays | 24 |
| Interface | SATA 6 Gb/s |
| Recording | CMR |
| Cache (MB) | 1024 |
| Form factor | 3.5-inch |
| Sector format | 512e |
| Idle power (W) | 3.66 |
| Package / region | US retail; manufacturer-documented bulk package alias |
| Workload rating (TB/year) | 550 |
| Average operating power (W) | 6.94 |
| Rotational vibration sensors | Yes |
| Manufacturer limited warranty | 5 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 294 |
| Documented package codes | HDWG81EUZSVB |
Source: Toshiba N300 Pro US datasheet TAEC-2839-R2.0, July 2026, pages 4, 7. Reviewed 2026-09-08. Published specifications, not our benchmark results.
What the specifications mean
- CMR recording is specified for this exact model. Check enclosure support and workload limits before installing it in an array.
- Up to 294 MB/s sustained transfer, as specified by the manufacturer. This is not a measured game-loading or random-I/O result.
- 550 TB/year workload rating. This is a workload limit, not a promise of drive lifespan or a backup guarantee.
- Rotational vibration sensors: Yes. Check the documented drive-bay limit for multi-drive enclosures.
Before ordering
Match HDWG81EXZSTB, 14TB and SATA 6 Gb/s against the selected offer. Check your system’s exact-model compatibility list and the seller’s warranty and return terms.
Amazon US listings
Exact model matches on Amazon.com. A verified ASIN identifies the product; it does not guarantee current stock. Check the selected variant, condition and seller.
No verified exact-model ASIN is linked yet. This does not establish whether the model is currently available. Compare the alternatives below and check their listings.
Same-capacity alternatives with Amazon US links
These models share the drive type, interface class and capacity. Compare their specifications and your system requirements before choosing a replacement.
Seagate · IronWolf Pro
ST14000NT001
14TB · SATA 6 Gb/s · CMR
Compare with HDWG81EXZSTB →View on Amazon US ↗ASIN B0B94P481H · Check price and conditionWestern Digital · WD Gold
WD142KRYZ
14TB · SATA 6Gb/s · CMR
Compare with HDWG81EXZSTB →View on Amazon US ↗ASIN B0CM29WCLY · Check price and conditionSeagate · IronWolf Pro
ST14000NE0008
14TB · SATA 6 Gb/s
Compare with HDWG81EXZSTB →View on Amazon US ↗ASIN B07GTGDZP8 · Check price and conditionHDWG81EXZSTB questions answered
Is HDWG81EXZSTB CMR or SMR?
The manufacturer lists CMR recording for HDWG81EXZSTB. Other models and capacities in the same family can differ.
What connection does HDWG81EXZSTB need?
HDWG81EXZSTB uses SATA 6 Gb/s and a 3.5-inch form factor. Match both with the computer, controller or enclosure. An M.2 slot, 2.5-inch bay and 3.5-inch bay are not interchangeable.
How much usable space does HDWG81EXZSTB provide?
Its nominal capacity is 14000 GB, approximately 13038.5 GiB before formatting. The filesystem, reserved space and any RAID redundancy reduce usable capacity further.
What warranty is listed for HDWG81EXZSTB?
Manufacturer specification: 5 years (eligible new drives). A renewed, used, OEM or imported offer can have different coverage. Check the serial number and seller terms before buying.