What are the minimum system requirements for using more than 1 InfiniTV device and/or more than 1 extender?

The minimum system requirements change depending on the number of tuners and/or extenders you have connected to your Media Center PC. A properly-configured PC can support a maximum of 12 tuners (e.g. three InfiniTV 4 devices or two InfiniTV 6 devices) and 5 extenders. The table below shows minimum system requirements for Basic, Moderate and Maximum configurations.

Basic  Moderate Maximum
# Tuners 4 6 - 8 10 - 12
# Extenders 1 - 2 0 - 3 0 - 5
RAM  4 - 6 GB 6 - 8 GB 10 - 12 GB
CPU Dual Core @ 2.5 Ghz Dual Core @ 3.0 GHz+ Quad Core 2.5 GHz+
  Intel Core2 or
AMD Athlon 2
Intel i3 / (Quad) Core2 or
AMD Phenom
Intel i5 or
AMD FX
  Low power processors are not supported:
e.g. Intel Atom and AMD Fusion
Graphics  Nvidia: Geforce 200 series  |  ATI:  HD 4000 Series  | Intel:  HD4000
Hardware video decoding and HDCP support required
Hard drive speed 7200 RPM 7200 RPM 7200 RPM
  350+ GB recommended for 50 hours of HDTV recording
OS Windows 7 SP1 or Windows 8 with Media Center (64 bit)