WD Ultrastar WUH721818AL4200 18TB SAS 12Gb/s 7200RPM HDD Tested 2 Years Warranty
Only 2 left in stock
About this item
Overview: This is a Western Digital Ultrastar DC HC550 series enterprise hard drive, part number WUH721818AL4200, offering 18TB of capacity over a 12Gb/s SAS interface. These drives are pulled from decommissioned enterprise server/storage environments, individually tested, and securely wiped prior to sale. We have a lot of 7 units; this listing is for one (1) drive per order.
Technical spec sheet
Per-unit test results
2 of 2 units passed every required test, tested Oct 17, 2026. Choose an exact unit to read its full report.
- 2/2 hard drives passed all required tests
- SMART clean: 0 reallocated sectors
- Extended self-test passed
- Odometer cross-check verified
- Wiped, verified
- 271 MB/s sequential read, measured
Condition notes
Condition: Used, Tested. Every drive in this lot passed a full verification pass before listing: SMART clean with 0 reallocated sectors, extended self-test passed, odometer (power-on hours) cross-checked against drive logs, and a full data wipe performed via sg_sanitize with wipe verification. No customer data remains on any unit.
Per-unit test results from our test rig (lot of 7, all units at identical spec levels).
All 7 units on hand fall into the Light Use tier and ship with a 24-month seller warranty. The specific unit you receive will match the Light Use tier and warranty term stated here; exact per-unit figures are recorded on file. Drive serial numbers are not published for privacy/security reasons, and any identifiers visible in listing photos have been altered - the photos show the actual physical condition of the units offered, not a stock image.
Warranty and shipping
Warranty and returns
2-year warranty- Replacement or refund after verified failure, prepaid return label on defective items.
- 30-day returns: defective items ship back on our label, change-of-mind returns pay return postage.
- Compatibility help by email before and after purchase.
Dispatch and packaging
Same-day dispatch on orders before 3PM Mountain- Free shipping to all lower 48 states.
- ESD-safe anti-static shielding bags with heavy-duty crush-resistant padding.
- Full declared value carrier insurance with instant tracking notifications.