Seagate · NAS
ST18000NE000
IronWolf Pro 18TB
SATA 6 Gb/s · 3.5-inch · CMR
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View on Amazon US ↗Used / renewed listing · ASIN B0CZM957F3
Listing details ↓As an Amazon Associate I earn from qualifying purchases.The Seagate ST18000NE000 is a 18TB IronWolf Pro hard drive for NAS storage, using SATA 6 Gb/s in a 3.5-inch form factor.
Manufacturer specifications
| Model number | ST18000NE000 |
|---|---|
| Nominal capacity | 18 TB · 18000 GB |
| RPM | 7200 |
| Interface | SATA 6 Gb/s |
| Recording | CMR |
| Cache (MB) | 256 |
| Form factor | 3.5-inch |
| Power-on hours per year | 8760 |
| Workload rating (TB/year) | 300 |
| Average operating power (W) | 8 |
| Rotational vibration sensors | Yes |
| Manufacturer limited warranty | 5 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 260 |
Source: Seagate IronWolf Pro manufacturer specifications, pages 2. 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.
- Up to 260 MB/s sustained transfer, as specified by the manufacturer. This is not a measured game-loading or random-I/O result.
- 300 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 ST18000NE000, 18TB 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 B0CZM957F3
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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Is ST18000NE000 CMR or SMR?
The manufacturer lists CMR recording for ST18000NE000. Other models and capacities in the same family can differ.
What connection does ST18000NE000 need?
ST18000NE000 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 ST18000NE000 provide?
Its nominal capacity is 18000 GB, approximately 16763.8 GiB before formatting. The filesystem, reserved space and any RAID redundancy reduce usable capacity further.
What warranty is listed for ST18000NE000?
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.