Western Digital 150 GB VelociRaptor SATA 3.0 GBit/s 10,000 RPM 32 MB Cache Bulk/OEM ENTERPRISE Hard Drive WD1500BLHX (Amazon Frustration-Free Packaging) WD Raptor has evolved! WD VelociRaptor, the next generation of PC enthusiasts' favorite 10,000 RPM SATA drive, is 35% faster and available in a 600 GB capacity. 10,000 RPM operating speed drives the fastest possible SATA drive performance. Perfect for performance enthusiast systems, workstations, and low-end servers. 150 GB capacity holds up to 30,000 digital photos, 37,000 MP3 files, and up to 18 hours of HD video. Ships in Certified Frustration-Free Packaging