Toshiba · NAS
HDWG82AXZSTB
N300 Pro 20TB
SATA 6 Gb/s · 3.5-inch · CMR
Exact Amazon US product
$912.35
View on Amazon US ↗New listing · ASIN B0GWF54V5M
Price as of Sep 12, 2026 11:46 UTC
The Toshiba HDWG82AXZSTB is a 20TB N300 Pro hard drive for NAS storage, using SATA 6 Gb/s in a 3.5-inch form factor.
Manufacturer specifications
| Model number | HDWG82AXZSTB |
|---|---|
| Nominal capacity | 20 TB · 20000 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) | 4.35 |
| Package / region | US retail; manufacturer-documented bulk package alias |
| Workload rating (TB/year) | 550 |
| Average operating power (W) | 7.62 |
| Rotational vibration sensors | Yes |
| Manufacturer limited warranty | 5 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 294 |
| Documented package codes | HDWG82AUZSVB |
Source: Toshiba N300 Pro US datasheet TAEC-2839-R2.0, July 2026, pages 3, 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 HDWG82AXZSTB, 20TB 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.
Amazon US · ASIN B0GWF54V5M
$912.35 · as of Sep 12, 2026 11:46 UTC
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.
Western Digital · WD Gold
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Compare with HDWG82AXZSTB →View on Amazon US ↗ASIN B0DF9FK544 · Check price and conditionWestern Digital · WD Red Pro
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Compare with HDWG82AXZSTB →View on Amazon US ↗ASIN B0CN5LH117 · Check price and conditionHDWG82AXZSTB questions answered
Is HDWG82AXZSTB CMR or SMR?
The manufacturer lists CMR recording for HDWG82AXZSTB. Other models and capacities in the same family can differ.
What connection does HDWG82AXZSTB need?
HDWG82AXZSTB 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 HDWG82AXZSTB provide?
Its nominal capacity is 20000 GB, approximately 18626.5 GiB before formatting. The filesystem, reserved space and any RAID redundancy reduce usable capacity further.
What warranty is listed for HDWG82AXZSTB?
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.