The WD Ultrastar 16TB SAS WUH721816AL5205 is a 16TB SAS-12G HDD in used condition. It has no current offer on Amazon. The in-stock alternatives nearest its capacity are listed below.
6 in-stock listings · this listing has no current offer on Amazon · ranked by live cost per tb, refreshed about once a day
| Drive | Capacity | Interface | Recording | Condition | $/TB | Price | |
|---|---|---|---|---|---|---|---|
| WD Ultrastar 12TB SAS HUH721212AL4200 HUH721212AL4200 | 12TB | SAS-12G | — | REFURB | $31.96 | $384 | Buy on Amazon |
| WD Ultrastar 12TB SAS HUH721212AL5204 HUH721212AL5204 | 12TB | SAS-12G | — | REFURB | $32.42 | $389 | Buy on Amazon |
| MDD 20TB SATA 7200RPM NAS MD20TSATA25672NAS | 20TB | SATA-6G | — | REFURB | $32.50 | $650 | Buy on Amazon |
| MDD 20TB SATA 7200RPM NAS MD20TS25672NAS | 20TB | SATA-6G | — | NEW | $32.50 | $650 | Buy on Amazon |
| WD Red Pro 12TB WD121KFBX WD121KFBX | 12TB | SATA-6G | CMR | REFURB | $33.33 | $400 | Buy on Amazon |
| HP 12TB SAS 7200RPM LFF Enterprise MB012000GWWFE | 12TB | SAS-12G | — | REFURB | $34.77 | $417 | Buy on Amazon |
Where this listing sits: every 16TB hard drive · 16TB SAS drives · WD 16TB SAS — each page is the live ranking for that slice of the catalogue.
Part number: WUH721816AL5205 — decoded, with sibling variants and the warranty check.
SAS drives do not plug into a normal SATA motherboard port. You need a SAS host bus adapter or a backplane that speaks SAS - an LSI/Broadcom HBA in IT mode is the usual answer. A SATA drive will run on a SAS controller, but not the other way round. HBA and IT-mode guide
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 | |
|---|---|---|---|---|---|
| Seagate SkyHawk AI 16TB ST16000VE002 | SATA-6G | Refurb | $31.25 | $499.99 | Buy on Amazon |
| Seagate SkyHawk AI 16TB ST16000VE000 | SATA-6G | Refurb | $33.12 | $529.99 | Buy on Amazon |
| Seagate Exos 16TB SAS 12G 7.2K | SAS-12G | Refurb | $34.28 | $548.55 | Buy on Amazon |
| WD Red Pro 16TB WD161KFGX | SATA-6G | Refurb | $43.68 | $698.80 | Buy on Amazon |
All 16TB drives we track, ranked by cost per terabyte.
CMR or SMR? What we can and cannot source for this part number
Part of the WD line we track.
The WD Ultrastar 16TB SAS WUH721816AL5205 is a 16TB SAS-12G enterprise drive - Verify recording technology before use in RAID. As a refurbished unit, run SMART diagnostics on arrival and verify power-on hours.
We do not have enough in-stock comparators of this type today to place this price against the rest of the market. The category page below ranks everything we do have.
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
Not right now: Amazon shows no current offer for ASIN B0GSGX9YWG. The in-stock alternatives nearest its 16TB capacity are on this page, ranked by live price.
The listing's own title says "renewed" for the WUH721816AL5205. That is the seller's claim; we store it verbatim and the warranty is the reseller's, not the manufacturer's.