Western Digital RE WD4000FYYZ 4TB 7200RPM SATA3-SATA 6.0 GB-s 64MB Enterprise Hard Drive (3.5 inch)

Specifications Mfr Part Number: WD4000FYYZ Capacity: 4TB Rotational Speed: 7200 RPM (nominal) Cache: 64 MB Interface: SATA 6 Gb/s Data Transfer Rate (Max): Buffer to Host: 6 Gb/s Shock: Operating: 30G @ 2ms (read) Non-operating: 300G @ 2ms Acoustics: Idle Mode: 31 dBA (average) Seek Mode: 34 dBA (average) Power Dissipation: Read/Write: 10.4 Watts Idle: 8.6 Watts Power Management: Read (Peak): 9.7 Watts Write (Peak): 9.5 Watts Form Factor: 3.5 inch Dimensions (WxDxH): 4.000 x 5.787 x 1.028 inch / 101.6 x 147.0 x 26.1 mm Weight: 1.66 lbs / 0.75 kg