Catalog > Consumer Electronics > Computer Peripherals > Computer Accessories USB Port Hub USB Port Hub Note - for best performance, use 5v 2A adapter to be purchased separately HUB 7 PORT #TT HUB 7 PORT WITH SWITCHES , HI-SPEED SUPER USB2.0 , SUPPORTS 500GB , FEATURES 1 UPSTREAM AND 4 DOWN, TRANSFER RATE :1.5Mbps/12Mpbs/ UP TO 480Mbps ,BUS POWER LIMIT CURRENT PROTECTION ,500MA,Note -for best performance, use 5v adapter.to be purchased,excl PSU Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications 7 Switch : ON / OFFSupports external hard drives : 3.5"up to 500gbAbility to connect external power supply (not included)LEDs that indicate the operation Supports : USB2.0-1.1Transfer Rate : 480MbpsSupports : windows 95/98/Me/2000/2003/XP/Vista(Under Windows 95/98 Systems need to install the driver)