We hold a large stock of older now obsolete computer drives, some dating back almost 50 years to the earliest magnetic storage devices. All are formatted where appropriate and packaged in suitable industry standard packaging. And as an OEM drive for Compaq as. BF03665223 Part number 251872-002, Rev A01, This is a 3.5 form factor Wide Ultra SCSI 3 36.4Gb hard disc drive.