Description
WD SE 4TB SATA Hard Drives (WD4000F9YZ)
Product Specifications
Interface SATA 6 Gb/s
Performance Specifications
Rotational Speed 7,200 RPM (nominal)
Buffer Size 64 MB
Load/unload Cycles 600,000 minimum
Transfer Rates
Buffer To Host (Serial ATA) 6 Gb/s (Max)
Physical Specifications
Capacity 4TB
User Sectors Per Drive 3,907,029,168
Performance Specifications
Target Performance
MTBF 800,000 hours
Physical Dimensions
Height 26.1 mm
Depth 147 mm
Width 101.6 mm
Weight 0.75 kg
Power Management
Read (Peak Watts) 9.50 Watts
Write (Peak Watts) 9.10 Watts
Environmental Specifications
Shock
Operating Shock (Read) 65G, 2 ms
Non-operating Shock 300G, 2 ms
Acoustics
Idle Mode 31 dBA (average)
Seek Mode 0 34 dBA (average)
Temperature (Metric)
Operating 5° C to 55° C
Non-operating -40° C to 70° C
Electrical Specifications
Current Requirements
Power Dissipation
Read/Write 9.50 Watts
Idle 8.10 Watts
Compatibility
Operating System
Compatibility Windows/Mac
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