The charity sale Western Digital Caviar Green WD20EARS 2TB (also known as WD Green series) is a 3.5-inch desktop hard drive, designed for energy efficiency with IntelliPower variable spindle speed technology. Suiteable for desktop storage, external enclosures, and light RAID.

Condition: Excellent, Fully Operational, Checked sector-by-sector, Well maintained with anti-static bag

Key Specifications

• Capacity: 2 TB (Formatted: 2,000,398 MB)
• Interface: SATA 3 Gb/s (SATA II)
• Form Factor: 3.5-inch (Height: 1.028 in; Length: 5.787 in; Width: 4 in)
• Cache: 64 MB
• Rotational Speed: IntelliPower (variable, typically around 5400 RPM range for power savings)
• Sustained Data Transfer Rate: ~110 MB/s (host to/from drive)
• Buffer to Host: 3 Gb/s
• Advanced Format: Yes (4K sectors)

Performance & Reliability

• Seek Time: Average ~8.9 ms
• Load/Unload Cycles: 300,000
• Non-recoverable Read Errors: <1 in 10^15 bits read

Power Consumption (Average)

• Read/Write: ~5.3–6 W
• Idle: ~3.3–3.7 W
• Standby/Sleep: ~0.7–0.8 W

Acoustics (Average)

• Idle: 24 dBA
• Performance Seek: 29 dBA
• Quiet Seek: 25 dBA

Environmental

• Operating Temperature: 0°C to 60°C
• Non-operating: -40°C to 70°C
• Shock: Operating (read) 30G (2 ms); Non-operating 250G (1 ms)

Other Features

• WD GreenPower Technology (IntelliPower, IntelliSeek, NoTouch ramp load) for lower power, heat, and noise.
• StableTrac technology (secures motor shaft on 2TB model for reduced vibration).
• Best suited for desktop PCs, external enclosures, or light RAID (not 24/7 enterprise use).