WD 4TB SATAIII WD Black 7200rpm 64MB

PN: WD4001FAEX

Product Specifications
Interface SATA 6 Gb/s


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
Buffer To Host (Serial ATA) 6 Gb/s (Max)


Physical Specifications
Formatted Capacity 4,000,787 MB
Capacity 4 TB
User Sectors Per Drive 3,907,029,168


Physical Dimensions
English
Height 1.028 Inches
Depth 5.787 Inches
Width 4.00 Inches
Weight 1.72 Pounds

Metric
Height 26.1 mm
Depth 147 mm
Width 101.6 mm
Weight 0.78 kg


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

Acoustics
Idle Mode 29 dBA (average)
Seek Mode 0 34 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 10.40 Watts
Idle 8.10 Watts
Standby 1.20 Watts
Sleep 1.20 Watts