This versatile hard drive for all your PC needs brings you excellence in personal computing. Advanced power modes help save energy without sacrificing performance. SATA interface optimizes burst performance. Type: Hard drive - internal Capacity: 4 TB Form Factor: 3.5 Interface: SATA 6Gb/s Data Transfer Rate: 600 MBps Buffer Size: 64 MB Features: Native Command Queuing (NCQ), Halogen Free, Seagate AcuTrac technology, S.M.A.R.T. Dimensions (WxDxH): 4 in x 5.8 in x 1 in Weight: 21.51 oz Manufacturer Warranty: 2 years warranty Device Type: Hard drive - internal Capacity: 4 TB Form Factor: 3.5 Interface: SATA 6Gb/s Buffer Size: 64 MB Bytes per Sector: 4096 Features: Native Command Queuing (NCQ), Halogen Free, Seagate AcuTrac technology, S.M.A.R.T. Width: 4 in Depth: 5.8 in Height: 1 in Weight: 21.51 oz Drive Transfer Rate: 600 MBps (external) Internal Data Rate: 180 MBps Non-Recoverable Errors: 1 per 10^14 Load / Unload Cycles: 300,000 Interfaces: 1 x SATA 6 Gb/s Compatible Bay: 3.5 Power Consumption: 5.6 Watt (active) 4 Watt (idle) 0.5 Watt (stand by) 0.5 Watt (sleep) Compliant Standards: RoHS Service & Support: Limited warranty - 2 years Min Operating Temperature: 32 °F Max Operating Temperature: 140 °F Min Storage Temperature: -40 °F Max Storage Temperature: 158 °F