MANUFACTURER: HITACHI GLOBAL (WESTERN DIGITAL) PART NUMBER: HUS726060AL4210 CAPACITY: 6TB ( 6000GB ) SPINDLE SPEED: 7.2K RPM ( 7,200 ) INTERFACE: SERIAL ATTACHED SCSI ( SAS III / SAS3 ) TECHNOLOGY: HARD DISK DRIVE ( HDD ) TRANSFER RATE: 12GB/S BUFFER SIZE: 128MB CACHE SIZE FORM FACTOR: 3.5 INCH LFF ENCLOSURE: INTERNAL HARD DRIVE TRAY: TRAY / CADDY NOT INCLUDED ADDITIONAL INFORMATION: ADVANCED FORMAT AF 512E WARRANTY: 1 YEAR