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.

HP 872485-B21 2TB LFF G8-G10 12G SAS Enterprise Hard Disk BRAND NEW, 2 Years Warranty RTB  SAS-3, 12.0Gbps, Complete with HP Caddy.

Dell - 4TB SAS 12G Hard Drive complete with F238F Tray TYPE: Genuine Dell Certified Enterprise Class Hard Drive Condition: BRAND NEW 2 Year Warranty

Fujitsu 1.8TB DX 10k 12G SAS Disk These are small form factor disks, 2.5" and are 10K pm speed. New disk with 2 year warranty.

Dell 0NCT9F 300GB 15k 3.5 G14 SAS Hybrid 12G hard disk drive For use in Cseries, Rseries, Tseries and Mseries Dell OEM caddy which uses the 9W8C4  hybrid adapter module. New 2 Year warranty - OEM Certified Disk.

Cisco CA07173-B21000CS 300GB 10k 12G 2.5 SAS Disk Complete with 2.5 Caddy for UCS Servers. New OEM 2 Year warranty - OEM Certified Disk.

DELL THFR5 300GB 12G 15k 3.5 Hybrid SAS Disk This disk is mounted in a hybrid caddy PN Y004G/9W8C4 as per image. New OEM 2 Year warranty - OEM Certified Disk