36GB hotswap 3.5inch 15K U320

IBM 90P1321-RFB is a 3.5-inch hard disk drive for server storage. The listing identifies it as a 36 GB U320 hot-swap model, while IBM documentation describes the associated 90P1321 drive as a 36.4 GB Ultra320 SCSI replacement part.

Its 15,000 rpm spindle speed and hot-swap design are the key confirmed features. IBM lists the 90P1321 drive for the xSeries 226, Type 8648. This is a compact-capacity drive for systems that use the specified Ultra320 SCSI interface.