Minimum System Requirements
MinimumOS: Windows XP SP3 / Windows Vista SP1 / Windows 7
Processor: 1.8 GHz Intel Core 2 Duo or equivalent AMD CPU
Memory: 1 GB RAM for Windows XP / 2 GB RAM for Windows Vista and Windows 7
Graphics: 256 MB (With Pixel Shader 3.0 support)
DirectX: DirectX 9.0 c compatible
Hard Drive: 15 GB
Sound: DirectX 9.0c compatible
Supported Chipsets: NVIDIA GeForce 6800 or greater, ATI Radeon X1600 Pro or greater.
http://www.torrentreactor.net/torrents/5425014/Mass-Effect-2-Full-Rip-ISO-%2B-DLC