Seagate · Enterprise
ST16000NM000J
Exos X18 16TB
SATA 6 Gb/s · 3.5-inch · CMR
Exact Amazon US product
$739.96
View on Amazon US ↗New listing · ASIN B08JV7N6J1
Price as of Oct 27, 2026 13:33 UTC
The Seagate ST16000NM000J is a 16TB Exos X18 hard drive for server and enterprise storage, using SATA 6 Gb/s in a 3.5-inch form factor.
Manufacturer specifications
| Model number | ST16000NM000J |
|---|---|
| Nominal capacity | 16 TB · 16000 GB |
| RPM | 7200 |
| Interface | SATA 6 Gb/s |
| Recording | CMR |
| Cache (MB) | 256 |
| Form factor | 3.5-inch |
| Recording evidence | Manufacturer recording specification ↗ |
| Recording verified | 2026-10-02 |
| Average idle power (W) | 5.1 |
| Power-on hours per year | 8760 |
| Manufacturer limited warranty | 5 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 270 |
Source: Seagate Exos X18 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 270 MB/s sustained transfer, as specified by the manufacturer. This is not a measured game-loading or random-I/O result.
Before ordering
Match ST16000NM000J, 16TB 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 B08JV7N6J1
$739.96 · as of Oct 27, 2026 13:33 UTC
Amazon US · ASIN B0C8RR7DY4
$499.95 · as of Oct 27, 2026 13:33 UTC
Amazon US · ASIN B08JV7N6J1
$499.99 · as of Oct 27, 2026 13:33 UTC
Amazon US · ASIN B09NZNDMKC
$499.99 · as of Oct 27, 2026 12:21 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.
Toshiba · N300 Pro
HDWG81GXZSTB
16TB · SATA 6 Gb/s · CMR
Specifications & offers →View on Amazon US ↗ASIN B0H1NC62DB · Check price and conditionWestern Digital · WD Gold
WD161KRYZ
16TB · SATA 6Gb/s · CMR
Compare with ST16000NM000J →View on Amazon US ↗ASIN B089S33PR3 · Check price and conditionWestern Digital · Ultrastar DC HC550
WUH721816ALE6L4
16TB · SATA 6 Gb/s · CMR
Compare with ST16000NM000J →View on Amazon US ↗ASIN B08H1T666Y · Check price and conditionST16000NM000J questions answered
Is ST16000NM000J CMR or SMR?
The manufacturer lists CMR recording for ST16000NM000J. Other models and capacities in the same family can differ.
What connection does ST16000NM000J need?
ST16000NM000J 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 ST16000NM000J provide?
Its nominal capacity is 16000 GB, approximately 14901.2 GiB before formatting. The filesystem, reserved space and any RAID redundancy reduce usable capacity further.
What warranty is listed for ST16000NM000J?
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.