Western Digital Caviar Green WD20EARS 2TB SATA 3.5-inch Hard Drive
Product Code: NN3-72-2000-SWE
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Western Digital WD20EARS 2TB 3.5" Desktop Hard Drive - SATA (Serial ATA)


Manufacturer: Western Digital®
Mfg model #: WD Caviar® Green™
Condition: Brand New Factory Sealed in Anti-Static Package
Interface: SATA (Serial ATA)
Warranty: The warranty is valid for 3 years from the date of manufacture and is processed directly by Western Digital.
Package Includes: WD Caviar® Green™ WD20EARS 2TB SATA (Serial ATA)
* The OEM package does not include software or accessories.
  • Reduced power consumption - WD has reduced power consumption by up to 40 percent compared to standard desktop drives with the combination of WD's IntelliSeek, NoTouch, and IntelliPower technologies.
  • Cool and quiet - GreenPower technology yields lower operating temperatures for increased reliability and low acoustics for ultra-quiet PCs and external drives.
  • Low power spin-up - WD Caviar Green drives consume less current during startup allowing lower peak loads.
  • Advanced power technology - Electronic components deliver best-in-class low power consumption for reduced power requirements and increased reliability.

Drive Configuration
Capacity 2.0 TB
Interface SATA (Serial ATA 3.0 Gbps)
Buffer Size 64 MB
Rotational Speed 7200 RPM

Performance Specifications
Average Seek time(typical) 8.9 ms
Average Latency 4.17 ms
Transfer Rate (Buffer To Host) 3 Gb/s

Environmental Specifications
Temperature / Operating 32° F to 140° F
Temperature / Non-operating -40° F to 158° F

Power Requirenents
Voltage +12V±10%
Read/Write (typical) 6.0 W
Low Power Idle (typical) 3.7 W
Standby (typical) 0.8 W
Sleep (typical) 0.8 W

Physical Dimension
Height (Max.) 25.4 mm
Width 101.6 mm
Weight(avg.) 1.61 lbs