WD Black 1000GB (1TB) 7200rpm SATA (WD1003FZEX)

Performance Specifications
Rotational Speed 7,200 RPM (nominal)
Buffer Size 64 MB
Average Latency 4.20 ms (nominal)
Load/unload Cycles 300,000 minimum

Transfer Rates
Transfer Rate (Buffer To Disk) 126 MB/s (Max)

Physical Specifications
Formatted Capacity 1,000,204 MB
Capacity 1 TB 
Interface SATA 6 Gb/s
User Sectors Per Drive 1,953,525,169

Physical Dimensions
English
Height 1.028 Inches
Depth 5.787 Inches
Width 4.00 Inches
Weight 1.52 Pounds

Metric
Height 26.1 mm
Depth 147 mm
Width 101.6 mm
Weight 0.69 kg

Environmental Specifications
Shock
Operating Shock (Read) 30G, 2 ms
Non-operating Shock 300G, 2 ms

Acoustics
Idle Mode 28 dBA (average)
Seek Mode 0 33 dBA (average)
Seek Mode 3 29 dBA (average)

Temperature (English)
Operating 32° F to 140° F
Non-operating -40° F to 158° F

Temperature (Metric)
Operating -0° C to 60° C
Non-operating -40° C to 70° C

Electrical Specifications
Current Requirements
Power Dissipation
Read/Write 6.80 Watts
Idle 6.10 Watts
Standby 0.70 Watts
Sleep 0.70 Watts