WD Black 320GB Performance Mobile Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 9.5 MM 2.5 Inch - WD3200BEKX Sophisticated performance enhancing features deliver the speed you need for demanding applications like photo and video editing and Internet gaming. High performance, high capacity, high reliability, and cutting-edge technology make up WD Black, the ideal drive for those who demand only the best. Dual processor provides twice the processing power to maximize performance. 320 GB capacity holds up to 64,000 digital photos, 80,000 MP3 files, and up to 38 hours of HD video. 5 year limited warranty. Package includes a hard drive only - no screws, cables, manuals included. Please purchase mounting hardware and cables separately if necessary.