The Seagate Exos X20 18TB SATA is a 18TB SATA-6G HDD in new condition. It is in stock at $675.89 - $37.55/TB.
Part number: ST18000NM003D — decoded, with sibling variants and the warranty check.
| Drive | Interface | Cond | $/TB | Price | |
|---|---|---|---|---|---|
| MDD 18TB SATA 6G 7200RPM NAS | SATA-6G | Refurb | $25.00 | $449.99 | Buy |
| MDD 18TB SATA 7200RPM NAS | SATA-6G | Refurb | $25.56 | $459.99 | Buy |
| MDD 18TB SATA 7200RPM Enterprise | SATA-6G | Refurb | $26.11 | $469.99 | Buy |
| WD WD Purple 18TB WD180PURZ | SATA-6G | Refurb | $28.64 | $515.49 | Buy |
All 18TB drives we track, ranked by cost per terabyte.
Part of the Seagate line we track.
The Seagate Exos X20 18TB SATA is a 18TB SATA-6G enterprise drive at $37.55/TB - CMR recording makes it safe for all RAID levels and NAS deployments. New unit with full 5-year warranty.
Against every other drive we have an in-stock price for today, this one is cheaper per tb than 66% of them (163 of 247). The cheapest we can currently buy is $14.99/TB; the middle of the market is $36.67/TB.
These are third-party figures about the retail market as a whole, quoted and dated. They are not our own measurements and they do not describe this specific drive.
Resolved against manufacturer compatibility lists we read and dated, capped at 4. Vendor-listed means the manufacturer names this exact part number; fit-verified is our own check of form factor, interface and recording technology against a published requirement. Neither is a guess, and a drive the registry cannot resolve shows nothing here rather than a maybe. How compatibility actually works
Yes. The Exos X20 18TB SATA uses ePMR recording which is fully compatible with all RAID levels. It is rated for 550TB/year workload.
5-year manufacturer warranty.
Compatible with any server, NAS or workstation with a SATA port. Works in Synology, QNAP, TrueNAS, UnRAID and all major NAS platforms.