minimal:
reqprocessor: Intel Core i3-4130, AMD FX8350
reqgraphics: 2GB Nvidia 680 (driver version: 367.57) AMD GPUs are not supported
reqmemory: 8 GB RAM
reqdiskspace: 67 GB available space
reqsystem: Ubuntu 16.10 64-bit, SteamOS 2.0
reqother: AMD and Intel Graphics Cards are not supported at the time of release

recommended:
reqprocessor: Intel Core i7-3770K
reqgraphics: 6GB Nvidia 1060 (driver version: 367.57)
reqmemory: 16 GB RAM
reqdiskspace: 70 GB available space
reqsystem: Ubuntu 16.10 64-bit, SteamOS 2.0
reqother: AMD and Intel Graphics Cards are not supported at the time of release