Seagate · NAS
ST8000NE0021
IronWolf Pro 8TB
SATA 6 Gb/s · 3.5-inch · CMR
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An exact Amazon listing has not been verified for this model yet.
Compare alternatives ↓As an Amazon Associate I earn from qualifying purchases.The Seagate ST8000NE0021 is a 8TB IronWolf Pro hard drive for NAS storage, using SATA 6 Gb/s in a 3.5-inch form factor.
Manufacturer specifications
| Model number | ST8000NE0021 |
|---|---|
| Nominal capacity | 8 TB · 8000 GB |
| RPM | 7200 |
| Interface | SATA 6 Gb/s |
| Recording | CMR |
| Form factor | 3.5-inch |
| Recording evidence | Manufacturer recording specification ↗ |
| Recording verified | 2026-10-02 |
| Rotational vibration sensors | Yes |
| Manufacturer limited warranty | 5 years (eligible new drives) |
Source: Seagate IronWolf Pro manufacturer specifications. Reviewed 2026-09-07. 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.
- Rotational vibration sensors: Yes. Check the documented drive-bay limit for multi-drive enclosures.
Before ordering
Match ST8000NE0021, 8TB 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.
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MG10ADA800E
8TB · SATA 6 Gb/s · CMR
Specifications & offers →View on Amazon US ↗ASIN B0DJXDL7C2 · Check price and conditionWestern Digital · WD Gold
WD8005FRYZ
8TB · SATA 6Gb/s · CMR
Specifications & offers →View on Amazon US ↗ASIN B0CVMZTBJ4 · Check price and conditionWestern Digital · WD Red Plus
WD80EFZZ
8TB · SATA 6Gb/s · CMR
Specifications & offers →View on Amazon US ↗ASIN B0788FH952 · Check price and conditionST8000NE0021 questions answered
Is ST8000NE0021 CMR or SMR?
The manufacturer lists CMR recording for ST8000NE0021. Other models and capacities in the same family can differ.
What connection does ST8000NE0021 need?
ST8000NE0021 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 ST8000NE0021 provide?
Its nominal capacity is 8000 GB, approximately 7450.6 GiB before formatting. The filesystem, reserved space and any RAID redundancy reduce usable capacity further.
What warranty is listed for ST8000NE0021?
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.