WESTERN DIGITAL 4 TB SAS 3.5 ULTRASTAR DC HC310 12 GB/S HDD HUS726T4TALS200-DELL
HARD DRIVE SERIES / CLASS: ENTERPRISE CLASS / ULTRASTAR DC HC310. CAPACITY: 4TB ( 4,000GB ). INTERFACE: SERIAL ATTACHED SCSI ( SAS III / SAS3 ). TECHNOLOGY: HARD DISK DRIVE ( HDD ). Manufacturer: Dell.