Western Digital’s Caviar Green series represents drives that are quieter and that use far less power than their high performance counterparts. The high capacity of these drives also makes them ideal for devices that get turned on all day long like Network Attached Storage (NAS) devices or home theatre PCs. Today, we’ll be looking at the largest (and greenest) hard drives currently on the market, the Western Digital Caviar Green 2.0TB (WD20EADS).