Massive capacity.Storage capacity for 2.5-inch form factor drives with standard 9.5 mm height has arrived at a realm once thought to be impossible - up to 1 TB - giving you all the capacity you need to keep your photos, music and files right there on your notebook.Low power consumption.State-of-the-art seeking algorithms and advanced power management features ensure low power consumption and long battery life.Ultra quiet.In a notebook drive, silence is golden. WD's exclusive WhisperDrive technology yields one of the quietest 2.5-inch hard drives on the market.