This listing is for a Hitachi HDE721064SLA330 640GB internal hard disk drive. It features a 3.5-inch form factor, SATA II 3.0 Gb/s interface, and a rotation speed of 7200 RPM, making it suitable for desktop computers and compatible Apple systems. This drive was manufactured in June 2009 in China. Please review all images for physical condition and label details. Ideal for replacement, upgrade, or data storage needs.