Hauppauge Quatro Stick 510e. TV tuner type: Analogue & DVB-T & DVB-C. Video formats supported: MPEG-1, MPEG-2, MPEG-4 AVC/H.264. Interface type: USB. Minimum RAM: 256 MB, Minimum hard disk space: 1024 MB, Minimum processor: 1.3 GHz. Power requirements: 75 Ohm, Minimum system requirements: DVD DirectX 9.0, Compatible operating systems: Windows XP/Vista