Western Digital Black WD4004FZWX 4TB 7200RPM SATA3-SATA 6.0 GB-s 128MB Hard Drive (3.5 inch)

Specifications Mfr Part Number: WD4004FZWX Capacity: 4TB Rotational Speed: 7200 RPM Cache: 128 MB Interface: SATA 6 Gb/s Data Transfer Rate (Max): Buffer to Host: 6 Gb/s Host to/from drive (sustained): 202 MB/s Shock: Operating: 30G @ 2ms (read/write), 65G @ 2ms (read) Non-operating: 300G @ 2ms Acoustics: Idle Mode: 29 dBA Seek Mode: 36 dBA (average) Power Management: Read/Write: 9.1 Watts Idle: 5.8 Watts Standby/Sleep: 1.0 Watts Form Factor: 3.5 inch MTBF: N/A Dimensions (WxLxH): 4.000 x 5.787 x 1.028 inch / 101.6 x 147.0 x 26.1 mm Weight: 1.58 lbs / 0.72 kg ± 10% RoHS Compliant