PES 2011 Demo System Requirements:

They have released the pes2011 demo!

These might only be the demo system requirements but we are fairly sure they are not going to change between now and the final release. If they we will be sure to let you know.

Pro Evolution 2011 MINIMUM SYSTEM REQUIREMENTS:
Windows XP SP3, Vista SP2, 7
Intel Pentium IV 2.4GHz or equivalent processor
1GB RAM
8GB free hard disk space
4x DVD-ROM Drive
DirectX 9.0c compatible video card. 128MB Pixel Shader 3.0 (NVIDIA GeForce 6600 or AMD/ATI Radeon x1300 video card)
DirectX 9.0c compatible sound card
DirectX 9.0c or higher (included on Disc)
Multiplayer: TCP/IP 192 kbps or higher
Windows compatible keyboard
800 x 600 monitor resolution

Pro Evolution 2011 RECOMMENDED SYSTEM REQUIREMENTS:
Windows XP SP3, Vista SP2, 7
Intel Core2 Duo 2.0GHz or equivalent processor
2GB RAM
8GB free hard disk space
8x DVD-ROM Drive
DirectX 9.0c compatible video card. 512MB Pixel Shader 3.0 (NVIDIA GeForce 7900 or AMD/ATI Radeon HD2400 or better)
DirectX 9.0c compatible sound card
DirectX 9.0c or higher (included on Disc)
Multiplayer: TCP/IP Broadband Internet connection
Windows compatible USB Gamepad
1280 x 720 monitor resolution

Pro Evolution 2011 SUPPORTED CHIPSETS:
NVIDIA - GeForce GTX285, 9800, 8800, 8600, 7950, 7900, 7800, 7300, 6800, 6600
AMD/ATI - Radeon HD5850, HD5770, HD4870, HD4650, HD3870, HD2600, HD2400, X1900, X1650, X1600, X1300