Mass Effect 3 Minimum System Requirements
OS – Windows XP SP3/Vista SP1, Windows 7
CPU – 1.8 GHz Intel Core 2 Duo (equivalent AMD CPU)
RAM – 1GB for XP / 2GB RAM for Vista/Windows 7
HDD – 15 GB of free hard disk space
GFX RAM – 256 MB* (with Pixel Shader 3.0 support)
Audio – DirectX 9.0c compatible
DX – DirectX 9.0c August 2009 (included)
*Supported chipsets: NVIDIA 7900 or better; ATI X1800 or better. Please note that NVIDIA GeForce 9300, 8500, 8400, and 8300 are below minimum system requirements, as are AMD/ATI Radeon HD3200, HD3300, and HD4350. Updates to your video and sound card drivers may be required.
Mass Effect 3 Recommended System Requirements
OS – Windows XP SP3/Vista SP1, Windows 7
CPU – 2.4 GHz Intel Core 2 Duo (equivalent AMD CPU)
RAM – 2GB for XP / 4GB RAM for Vista/Windows 7
HDD – 15 GB of free hard disk space
GFX – AMD/ATI Radeon HD 4850 512 MB or greater, NVidia GeForce 9800 GT 512 MB or greater
GFX RAM – 512MB (with Pixel Shader 3.0 support)