System Requirements: Digital Rights Management (DRM) - The boxed/retail PC version of Mass Effect 2 will use only a basic disk check and it will not require online authentication.
PC MINIMUM System Requirements
OS = Windows XP SP3 / Windows Vista SP1 / Windows 7
Processor = 1.8GHz Intel Core 2 Duo or equivalent AMD CPU
Memory = 1 GB RAM for Windows XP / 2 GB RAM for Windows Vista and Windows 7
Hard Drive = 15 GB
DVD ROM = 1x Speed
Sound Card = DirectX 9.0c compatible
Direct X = DirectX 9.0c August 2008 (included)
Input = Keyboard / Mouse
Video Card = 256 MB (with Pixel Shader 3.0 support). Supported Chipsets: NVIDIA GeForce 6800 or greater; ATI Radeon X1600 Pro or greater. Please note that NVIDIA GeForce 7300, 8100, 8200, 8300, 8400, and 9300; ATI Radeon HD3200, and HD4350 are below...
System Requirements: Operating System: Windows 2000 / XP (only)
Processor: Intel Pentium 4 1.5GHz or AMD Athlon XP 1.5GHz or better
RAM: 512 MB
Video Card: 64 MB AGP or PCI-Express DirectX9 video card that supports pixel shaders and vertex shaders
Sound Card: DirectX 9.0 compliant (EAX recommended; PC audio solution containing Dolby Digital Live required for Dolby Digital audio)
CD-ROM Drive: 12x CD-ROM (8x DVD-ROM recommended)
Hard Drive Space: 7.0 GB
Peripherals supported: keyboard and mouse, microphone (for voice commands), Logitech G15 keyboard, monitor capable of 1024x768 resolution at 60Hz
Multiplayer: Broadband with 64 kbps upstream (128 kbps recommended)
System Requirements: Minimum
Sound: DirectX-compatible (5.1 surround sound recommended)
Special Controllers: Windows-compatible keyboard, mouse, optional controller (Tobii EyeX Controller, Xbox 360 Controller for Windows recommended)
Hard Drive Space: 11.4 GB available storage
Operating System: Windows 7 SP1 x64 / Windows 8 x64 / Windows 8.1 x64
Processor: 2.4 GHz Intel Core2 Quad Q6600 or 2.6 GHz AMD Athlon II X4 620 (2.5 GHz Intel Core i5-2400S or 3.3 GHz AMD FX-6100 or better recommended)
RAM: 2 GB (4 GB or greater recommended)
Video Card: 1 GB DirectX 11 - compliant with Shader Model 5.0 or higher (see supported list)*