HITACHI Travelstar 5K500.B 0A57912 250GB SATA 3.0Gb/s 5400 RPM 8MB Buffer Mobile Hard Drive Bulk Hitachi Travelstar 5K500.B 250 GB Serial ATA 2.5-inch Hard Drive General Features: 250 GB storage capacity 5400 RPM spindle speed Serial ATA interface SATA/300 8 MB buffer 2.5-inch form factor 9.5 mm drive height 5.5 ms average latency 12 ms average seek time Lowest power consumption in its class Halogen-free eco-friendly footprint Power Specifications: 5V, 700mA