Lenovo Option number : 00FN209 4TB 7.2K 12G 3.5 SAS Server Hard Disk Drive For compatibility of machines, please see below. Certified OEM - BRAND New disk with 2 Year warranty.

DELL FY4Y0 2TB 7.2k EqualLogic 3.5 SAS hard disk drive New OEM 3 Year warranty - OEM Certified Disk

Dell -  1TB SAS Hard Drive complete with F238F Tray TYPE: Genuine Dell Certified Enterprise Class Hard Drive Condition: BRAND NEW 3 Year Warranty

Dell 0N660 8TB 12G 7.2 RPM 512e SAS Hard Drive TYPE: Genuine Dell Certified Enterprise Class Hard Drive Condition: BRAND NEW 3 Year Warranty

HP 6TB MSA2 SAS 12G 3.5 Hard Disk Drive MSA-2 3.5 SAS Drive 7200 rpm Complete with HP MSA generation caddy New with 3 Year warranty - OEM Certified Seagate

DELL 2TB 2.5 SFF 7.2k 6G SATA Hard Disk Drive New OEM 2 Year warranty - OEM Certified Disk

HP 500GB 7.2 6G Midline SAS Hard Drive These are 2.5 small form factor disks. BRAND NEW - 2 Years Warranty RTB  SAS MDL 6Gbps Complete with HP Caddy.