Western Digital 1 TB WD Blue SATA II 5200 RPM 8 MB Cache Bulk/OEM Notebook Hard Drive Ships in Certified Frustration-Free Packaging WD Scorpio Blue drives offer high-performance, low power consumption, and cool operation, perfect for notebooks. WD WhisperDrive technology combines state-of-the-art seeking algorithms to yield one of the quietest hard drives Ensures compatibility with your computer WD ShockGuard technology protects the drive mechanics and platter surfaces from shocks. Ensures compatibility with your computer WD WhisperDrive technology combines state-of-the-art seeking algorithms to yield one of the quietest hard drives WD ShockGuard technology protects the drive mechanics and platter surfaces from shocks. WD Scorpio Blue drives offer high-performance, low power consumption, and cool operation, perfect for notebooks.