Toshiba MK2555GSX 250GB 2.5" Mobile Hard Disc Drive (SATA, 5400 rpm, 8 MB) Toshiba MK2555GSX 250GB 2.5-inch Notebook Hard Drive General Features: 250 GB capacity Serial ATA interface SATA/300 data transfer rate 5400 RPM spindle speed 8 MB cache buffer 12 ms average seek time 5.55 ms average latency 2.5-inch form factor Power Specifications: +5V, 1.0A Regulatory Approvals: UL CSA C-Tick TUV CE BSMI NOTE: 2-YEAR DIRECT WARRANTY