WD Ultrastar DC HC550 18TB 3.5'' 7.2K 512e 12Gbps SAS Hard Drive HDD, WUH721818AL5204

Manufacturer: Western Digital

Part Number: WUH721818AL5204

Storage Capacity: 18TB

Form Factor: 3.5" (LFF)

RPM: 7200RPM

Interface: SAS

Speed: 12Gbps