Main body material Aluminum alloy material quality, plastic plug with spray-paint product color: Silver black Supports port USB2.0/USB1.1 The use scope 3.5 inch hard disk Use function convenient for data storage, the hard disk is portable Characteristic * Slipping type switch the own connection With 4pin USB2.0 AF(compatible for USB1.1) rate of data transfer *USB2.0 maximum value 480Mbps (60MB/S) *USB1.1 maximum value 12Mbp(1.5MB/S) System request: *support Windows98/ ME/2000/XP *support Mac OS 8.6 or above * Hardware equipment must include suitable port or Outside connect with the PCI switchover card with suitable ports Power source condition *input 100-240VAC 50/60HZ * output 12V/2A 5V/2A