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

 

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