Western Digital Scorpio Blue 750 GB SATA 5400 RPM 8 MB Cache Bulk/OEM Notebook Hard Drive - WD7500BPVT These drives offer the highest capacity for space-hungry operating systems with plenty of room left over for photos, music, and 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. Fast and efficient Ultra-fast 3 Gb/s SATA interface speed yields performance fit for demanding mobile applications.