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GreenPower TechnologyWith GreenPower technology, the Western Digital Caviar Green WD20EARS yields lower operating temperatures for increased reliability and low acoustics for ultra-quiet PCs and external drives.
Reduced Power ConsumptionCombined with WD's IntelliSeek, NoTouch, and IntelliPower technologies, the Western Digital Caviar Green WD20EARS has reduced power consumption by up to 40 percent compared to standard desktop drives.
SATA 3.0 Gb/s InterfaceThe Western Digital Caviar Green WD20EARS features the SATA II interface supporting up to 3.0 Gb/s data transfer rates, Native Command Queuing (NCQ) and hot-pluggable point-to-point connections for optimum performance, efficiency, convenience and flexibility.
Perpendicular Magnetic RecordingPerpendicular Magnetic recording technology enables industry-leading capacity in existing standard form factors and improves performance by increasing data density while reducing moving parts for enhanced reliability.
StableTrac technologyThe Western Digital Caviar Green WD20EARS features the StableTrac technology to secure the motor shaft at both ends, reducing system-induced vibration and stabilize platters for accurate tracking, during read and write operations.