Toshiba MK2552GSX 2.5" 250GB 5400RPM SATA Internal Laptop Hard Drive - HDD2H02 Toshiba MK2552GSX 250 GB SATA/300 2.5-inch Notebook Hard Drive General Features: 250 GB storage capacity 5400 RPM spindle speed 8 MB Buffer SATA/300 interface 12 ms average seek time 2.5-inch form factor 9.5 mm drive height Power Specifications: +5V, 1.0A Regulatory Approvals: UL CSA C-Tick CE TUV MIC