This lot contains three units of Western Digital Caviar Green 808.8GB internal desktop hard disk drives with a 3.5-inch form factor compatible with PC and Mac. The HDDs have a rotation speed of 5400 RPM and a transfer rate of 3GB/s. The storage format is HDD only, and the cache size is 32 MB. These hard drives come with IntelliPower, StableTrac, and IntelliSeek technologies. The color of the units is green, and the model number is WD8088AADS. The item dimensions are 5.78" in length, 4" in width, and 1.07" in height. The interface supported is SATA.