3.5 Inch Hitachi Ultrastar 7K4000 4 Terabyte 4TB SATA/600 7200RPM 64MB Hard Drive

4 Terabyte capacity SATA 6Gb/s interface 600 MB/s transfer rate 7200 RPM spindle speed 64 MB data buffer 8.0 ms average seek time 171 MB/s sustained transfer rate Sector size (bytes): 512e Max. areal density (Gbits/sq. in): 446 (512e) 2.0 million hours MTBF Advanced Format SATA with 512-byte emulation (512e) Thermal Fly-height Control (TFC) SMART command transport 3.5-inch form factor Applications/Environments: Cloud storage Massive Scale Out (MSO) Data warehousing & mining Disk-to-disk backup & archiving RAID arrays Network Attached Storage (NAS) Power Specifications: 5V, 450mA 12V, 850mA Regulatory Approvals: CE TUV BSMI C-Tick WEEE cULus