WD Blue 1 TB Mobile Hard Drive: 2.5 Inch, 5400 RPM, SATA II, 8 MB Cache - WD10JPVT

Ships in Certified Frustration-Free Packaging
These drives offer the highest capacity for space-hungry operating systems with plenty of room left over for photos,music, & video
Quiet: WhisperDrive technology combines state-of-the-art seeking algorithms to yield one of the quietest 2.5-inch hard drives on the market
Reliable and rugged - ShockGuard technology protects the drive mechanics and platter surfaces from shocks
SecurePark parks the recording heads off the disk surface during spin up, spin down, and when the drive is off,Rotational Speed: 5400 RPM