Dell 1.8TB 2.5-inch 10K SAS 12Gbps Hard Drive — 0WRRF

This is a 1.8TB 2.5-inch SAS hard drive spinning at 10K rpm over a 12Gbps SAS link, identified by Dell part number 0WRRF and built on a Toshiba drive, maker model AL15SEB18EQY.

Hot-plug bays take the drive in a tray or caddy matched to the server generation. Replacement drives should match the array they join in capacity, speed and interface. Dell-labelled drives are intended for PowerEdge servers and PowerVault arrays with 2.5-inch SAS bays. It needs a SAS controller or HBA, and it negotiates down to 6Gbps on older SAS controllers. Performance-class 10K disks sit between nearline drives and flash, which makes them a common choice for mixed application arrays. Parity RAID levels set aside space for redundancy, so size arrays on usable capacity rather than the sum of the drives. Keeping a spare drive per array shortens the time an array runs degraded after a failure. After a swap the controller rebuilds the data onto the new drive; the bigger the drive, the longer that takes. Check 0WRRF against the service configuration of your Dell system before ordering.

Sold as certified refurbished, the drive passes inspection and a bench test, and has its storage wiped, in Johannesburg before release.