TechniSat CableStar HD 2. TV tuner type: DVB-C. Interface type: PCI. Minimum RAM: 512 MB, Minimum hard disk space: 64 MB, Minimum processor: Intel Pentium 4 1.8 GHz. Minimum system requirements: 2 free PCI slots Sound card with DirectX support 3D graphics card DirectX 9.0, Compatible operating systems: Windows 7 (RTM) Windows Vista SP1 / x86/x64 Windows XP SP3/SP2 required