Dell 3NKW7 300GB 10k 3.5 R-T SAS Hybrid 12G hard disk driveDELL 3NKW7 300GB 10k 3. 5 R T SAS Hybrid 12G hard disk drive These are small form factor disks, 2. 5 fitted into Dell OEM F238F caddy, which uses the 9W8C4 hybrid adapter module. Capacity: 300GB Enterprise Class Speed: 10k RPM Interface Type: SAS 3 12. 0Gb s Physical Size: 2. 5 in 3. 5 Carrier Dell PN: 0J3MPF, 0KN3NX, 01P5HC Dell Retail : 400 AFRY , 400 AJOU , 400 AJOY , 400 AJOZ , 400 AJPW, 400 AOXV, 400 ASGO , 463 7473 Disk Model: ST300MM0048 Sector