Western Digital 160 GB WD Blue SATA II 5400 RPM 8 MB Cache Bulk/OEM Notebook Hard Drive WD Scorpio Blue drives offer high-performance, low power consumption, and cool operation, perfect for notebooks. Exclusive WhisperDrive combines state-of-the-art seeking algorithms to yield one of the quietest 2.5-inch hard drives on the market. These algorithms also optimize the way a drive seeks for data, which significantly improves power consumption. WD's ShockGuard technology protects the drive mechanics and platter surfaces from shocks. 160 GB capacity holds up to 32,000 digital photos, 40,000 MP3 files, and up to 19 hours of HD video. 2 year limited warranty. Ships in Certified Frustration-Free Packaging