Hauppauge nanoStick 73e. TV tuner type: DVB-T. Video formats supported: DivX. Interface type: USB. Minimum RAM: 256 MB, Minimum hard disk space: 5 MB, Minimum processor: 1.3 GHz. Power requirements: 75 Ohm, Minimum system requirements: DVD DirectX 9.0, Compatible operating systems: Windows XP/7/Vista