Detail overview General Information : Manufacturer : SYNOLOGY Manufacturer Part : HAS5300-12T Product Series : Has5300 Product Name : Internal Enterprise Hard Disk Drive. Technical Information : Storage Capacity : 12tb Rotational Speed : 7200rpm Interface Type : Sas 12gb/s Form Factor : 3.5 Inch Buffer Size : 256mb Sector Size : 512e Performance : Maximum Sustained Data Transfer Speed (typ.) : 242 Mib/s Workload Rating : 550 Tb Transferred Per Year Mean Time To Failure (mttf) : 2.5 Million Hours Power Consumption : Supply Voltage : 12 V (± 10%) / 5 V (+10/-7%) Active Idle (typ.) : 6.38 W Random Read / Write (4kb Q1) (typ.) : 9.10w Dimensions & Weight : Dimensions : 26.1 Mm X 101.85 Mm X 147 Mm Weight : 720 G Condition : Brand New. Availability : In Stock. Our Warranty : 30 Days.