Material: Metal Dimensions: 0.625" x 5.375" x 3.125" Internal Interface: SATA Specifications: Data Transfer Rate: 480Mb/s Input Voltage: 5 Volts Input Current: 500 mA Operating System: Windows 7 (32-bit & 64-bit) Windows Vista (32-bit & 64-bit) Windows XP Features: Compatibility: Notebook Certifications: FCC Class B Weight: 7 ounces Package Contents: USB 2.0 enclosure, Quick Start Guide, Usb 2.0 cable, power cable, Software CD, pouch, screwdriver. Parts: 1 year limited