Western Digital 160 GB Scorpio Blue 100 Mb/s 5400 RPM 8 MB Cache Bulk/OEM Notebook Hard Drive - WD1600BEVE Ships in Certified Frustration-Free Packaging WD Scorpio Blue drives offer high-performance, low power consumption, and cool operation, perfect for notebooks WD's exclusive WhisperDrive co MBines state-of-the-art seeking algorith ms to yield one of the quietest 2.5-inch hard drives on the market WD's ShockGuard technology protects the drive mechanics and platter surfaces from shocks