The WD Red Pro 18TB WD181KFGX is a 18TB SATA-6G HDD in used condition. It is in stock at $619.00 - $34.39/TB.
Where this listing sits: every 18TB hard drive · 18TB SATA drives · WD 18TB SATA — each page is the live ranking for that slice of the catalogue.
Recertified enterprise drives are pulled from datacentre fleets, tested and resold. They are usually the cheapest route to bulk capacity, and the risk is concentrated in the first weeks - so check SMART data the day it arrives rather than the day you need it. What recertified means · Refurbished warranty terms · Verify on arrival
| Drive | Interface | Cond | $/TB | Price | |
|---|---|---|---|---|---|
| MDD 18TB SATA 7200RPM Enterprise | SATA-6G | Refurb | $30.56 | $549.99 | Buy on Amazon |
| WD Red Pro 18TB WD181KFGX | SATA-6G | Refurb | $32.72 | $589.00 | Buy on Amazon |
| WD Gold 18TB | SATA-6G | Refurb | $33.33 | $599.99 | Buy on Amazon |
| WD Ultrastar 18TB SATA | SATA-6G | Refurb | $33.33 | $599.99 | Buy on Amazon |
All 18TB drives we track, ranked by cost per terabyte.
CMRSource: WD Red Pro NAS HDD data sheet Recording technology for this model
Part of the WD line we track.
The WD Red Pro 18TB WD181KFGX is a 18TB SATA-6G enterprise drive at $34.39/TB - CMR recording makes it safe for all RAID levels and NAS deployments. As a refurbished unit, run SMART diagnostics on arrival and verify power-on hours.
Against every other drive we have an in-stock price for today, this one is cheaper per tb than 63% of them (149 of 237). The cheapest we can currently buy is $14.99/TB; the middle of the market is $39.58/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. At our last check it was $619.00 ($34.39 per terabyte at its 18TB capacity), sold renewed under ASIN B09CN2CBH8. Amazon sets the final price at checkout.
The listing's own title says "renewed" for the WD181KFGX. That is the seller's claim; we store it verbatim and the warranty is the reseller's, not the manufacturer's. The stored warranty on this row is 5 years, as the listing states it.
The WD181KFGX's stored recording technology is CMR (manufacturer-sourced), which rebuilds predictably in RAID. The row carries a 550TB/year workload rating.