0TS2338: Western Digital Ultrastar DC HC570 22TB 7200 RPM SATA 6Gb/s 512e 3.5-Inch Enterprise Hard Drive
Also listed as: WUH722222ALE6L4, Ultrastar DC HC570 22TB SATA, 0TS2339 · made by Western Digital
The Western Digital Ultrastar DC HC570 22TB (model WUH722222ALE6L4) incorporates a 10-disk design with OptiNAND technology to achieve 2.2TB per platter in standard 3.5-inch form factor. Engineered for high-density hyperscale cloud storage and enterprise backup targets, it delivers up to 291 MB/s transfer speed and 2.5M hours MTBF. When buying used 22TB units, verify total hours and load/unload cycles, check that SATA power disable features match your backplane wiring, and confirm helium pressure telemetry.
Specifications
| Part number | 0TS2338 |
|---|---|
| Brand | Western Digital |
| Made by | Western Digital |
| Type | Hard drives |
| Other numbers | WUH722222ALE6L4, Ultrastar DC HC570 22TB SATA, 0TS2339 |
| Status | current |
| Capacity (GB) | 22,000 |
| Interface | SATA 6Gb/s |
| Form factor | LFF 3.5in |
| Speed | 7200 rpm |
| Cache (GB) | 0.512 |
| Generation fit | Universal 3.5-inch enterprise server and storage drive bays |
About the 0TS2338
0TS2338 is Western Digital's ultra-high-capacity 22TB 7200 RPM SATA 6Gb/s enterprise hard drive in the Ultrastar DC HC570 series, model WUH722222ALE6L4. Incorporating a 10-disk helium platform with OptiNAND and Energy-Assisted Magnetic Recording (EAMR), it delivers 2.2TB per platter and sustained throughput up to 291 MB/s. It is designed for massive hyperscale data centers and object storage pools requiring maximum petabyte density per rack unit.
Compatibility
Compatible with 3.5-inch LFF enterprise drive bays in modern server platforms and dense storage disk shelves. Connects to SATA 6Gb/s host ports, SAS/SATA HBAs, or hardware RAID controllers. Verify that host HBA firmware supports 22TB drive capacities.
How to identify a genuine unit
The label bears Western Digital Ultrastar DC HC570 branding, model WUH722222ALE6L4, part number 0TS2338, and 22TB capacity with OptiNAND technology notation. In Linux, smartctl and lsscsi identify the drive as WDC WUH722222ALE6L4 with Western Digital firmware and 512e sector format.
Buying used
At 22TB, verify that SMART attributes show zero bad sectors and that helium pressure is 100 percent. Confirm that power-on hours and load/unload cycles are reasonable for the asking price. Ensure the seller includes a return warranty and packages the drive in protective anti-static clam shells.
Reference prices (last 14 days, updated 2026-10-27)
New: USD 440 (1 sighting, Oct 2026)
Used: USD 290 (1 sighting, Oct 2026)
All sightings
| Seller | Condition | Price | Note | Seen |
|---|---|---|---|---|
| serversupply.com | new | USD 440 | 2026-10-27 | |
| ebay.com | used | USD 290 | 2026-10-27 |
Prices seen on public listings on the dates shown, before tax and shipping. Not an offer.
Fits these models
Equivalent part numbers
- Dell 400-BOSH Dell 22TB 7.2K SATA 3.5in Enterprise Hard Drive
FAQ
How many platters are inside the HC570 22TB?
It features 10 platters and 20 magnetic recording heads.
What is the sustained transfer rate?
Up to 291 MB/s.
Buying or selling 0TS2338?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Ultrastar DC HC570 Hard Drive Data Sheet, checked 2026-10-27