Western Digital 80 GB Caviar Blue SATA 7200 RPM 8 MB Cache Bulk/OEM Desktop Hard Drive WD800AAJS Ships in Certified Frustration-Free Packaging WD Caviar Blue hard drives are available with either SATA or EIDE interface in a variety of cache sizes with a multitude of available features Whisper Drive technology minimizes noise to levels near the threshold of human hearing. WD perform ms tests on hundreds of system ms and a multitude of platform ms in our FIT Lab