Specifications
Mfr Part Number: WD4000F9YZ
Capacity: 4 TB
Rotational Speed: 7200 RPM
Cache: 64 MB
Interface: SATA 6 Gb/s
Data Transfer Rate (Max):Buffer to Host: 6 Gb/s
Host to/from Drive (Sustained): 171 MB/s
Shock:Operating: 65Gs @ 2ms (read); 30Gs @ 2ms (read/write)
Non-operating: 300Gs @ 2ms
Acoustics:Idle Mode: 31 dBA
Seek Mode: 34 dBA (average)
Power Management:Sequential Read: 9.5 Watts
Sequential Write: 9.1 Watts
Random Read/Write: 9.5 Watts
Idle: 8.1 Watts
Form Factor: 3.5 inch
MTBF: 800,000 hours
Dimensions (WxLxH): 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
RoHS Compliant