Western Digital is on the verge of launching a record-setting hard drive, according to a tip sent to Fudzilla. Corroborated by a store listing, the leak hints at a Caviar Green model, the WD20EADS, that should top 2TB using and double the capacity of the drive maker's current line. The Green label will be earned through a power-efficient design that winds down to 5,400RPM from the normal 7,200RP
