Твърд диск 4000GB WD Caviar® Black™, SATA 6Gb/s, 7200rpm, 64MB

WD Black 4 TB SATA Hard Drives (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

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
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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