Manufactured by IBM as their part number 85G3623, model DPES-31080 these are an industry standard 1Gb standard (old style) 50 pin SCSI hard drive. These were removed from brand new never used caddies destined for military use, so they have been run up but not had any real use whatsoever. Perfect used condition, refurbished and supplied formatted ready to go.
SUPPLIED AS SHOWN IN THE PHOTO.