WD Caviar Green drives use less power and support quieter, cooler-running desktop PCs and external storage devices. power savings of 4-5 watts over standard desktop drives making it possible for our energy-conscious customers to build systems with higher capacities and the right balance of system performance, ensured reliability, and energy conservation. 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.
Interface: SATA II
Rotation speed: 7200 RPM
Buffer size: 32MB
Power Consumption (Read/Write): 5.4W