Western Digital Caviar Green 2TB SATA3 64MB Cache 3.5Inch Hard Drive Model Number: WD20EARX

Western Digital Caviar Green 2TB SATA3 64MB Cache 3.5Inch Hard Drive

Specifications

Performance Specifications
• Rotational Speed IntelliPower *
• Buffer Size 64 MB

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

Physical Specifications
• Formatted Capacity 2,000,398 MB
• Capacity 2 TB
• Interface SATA 6 Gb/s
• User Sectors Per Drive 3,907,029,168

Physical Dimensions
• Height 26.1 mm
• Depth 147 mm
• Width 101.6 mm
• Weight 0.64 kg

Environmental Specifications
Shock
• Operating Shock (Read) 65G, 2 ms
• Non-operating Shock 250G, 2 ms

Acoustics
• Idle Mode 24 dBA (average)
• Seek Mode 0 29 dBA (average)
• Seek Mode 3 25 dBA (average)

Temperature
• Operating -0° C to 60° C
• Non-operating -40° C to 70° C

Electrical Specifications
Current Requirements
• 12 VDC
• Read/Write 1.75 A

Power Dissipation
• Read/Write 4.50 Watts
• Idle 2.50 Watts
• Standby 0.70 Watts
• Sleep 0.70 Watts

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