Minimum:

OS: Windows 7 64bit
Processor: 1.8GHz Intel Core 2 Duo or equivalent AMD CPU
Memory: 2 GB RAM
Graphics: 256 MB (with Pixel Shader 3.0 support)
DirectX: Version 9.0c
Storage: 22 GB available space
Sound Card: DirectX 9.0c compatible
VR Support: NVIDIA GeForce 6800 or greater; ATI Radeon X1600 Pro or greater.
Additional Notes: Please note that NVIDIA GeForce 7300, 8100, 8200, 8300, 8400, and 9300; ATI Radeon HD3200, and HD4350 are below minimum system requirements. Updates to your video and sound card drivers may be required.

Games like Mass Effect 2 (2010) Edition