Seagate Constellation.2 drives are the most energy efficient enterprise drives on the market. Designed for enterprise robustness, Constellation.2 is available in capacities up to 1TB and offers reliable storage for high capacity servers and storage arrays in a minimal footprint.Technical InformationStorage Capacity: 1 TBFeatures: Self-encrypting Drive, Bare DriveDrive PerformanceMaximum External Data Transfer Rate: 600 MB/s (4.7 Gbit/s)Spindle Speed (rpm): 7200Buffer: 64 MBAverage Seek Time: 9.50 msAverage Latency: 4.16 msInterfaces/PortsDrive Interface: SASDrive Interface Standard: 6Gb/s SASPhysical CharacteristicsDrive Type: InternalDrive Width: 2.5"Height: 0.6"Width: 2.8"Depth: 4"Weight (Approximate): 7.06 ozWarrantyLimited Warranty: 3 Year