Here are the minimum and recommended system requirements to run Mass Effect smoothly and efficiently without any crash, freeze, slowness etc. on any computer;
Minimum System Requirements:
CPU: 2.4+GHZ Intel or 2.0+GHZ AMDRAM: 1 Gigabyte Ram (XP)
2 Gigabyte Ram (Vista)GPU: NVIDIA GeForce 6 series(6800GT or better)
ATI 1300XT or better (X1550, X1600 Pro and HD2400 are below minimum system requirements)OS: Windows XP or VistaHDD: 12 GigabytesSound Card: DirectX 9.0c compatible sound card and drivers
Recommended System Requirements:
CPU: 2.6+GHZ Intel or 2.4+GHZ AMDRAM: 2 Gigabyte RamGPU: NVIDIA GeForce 7900 GTX or higher.
ATI X1800 XL series or higher
OS: Windows XP or Vista
HDD: 12 GigabytesSound Card: DirectX 9.0c compatible sound card and drivers – 5.1 sound card recommended
Please also have a look at other posts under “System Requirements” category to view & check if your computer system is powerful enough to run other games like Mass Effect smoothly.