Mass Effect 2's DRM will be "a basic disk check" without online authentication, though BioWare notes digital distributors will of course have their own methods of protection.

Mass Effect 2 arrives for PC and Xbox 360 on January 26, 2010, accompanied by a Collector's Edition with goodies including in-game items, a comic and an art book.

Minimum System Requirements

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
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 minimum system requirements. Updates to your video and sound card drivers may be required. Intel and S3 video cards are not officially supported in Mass Effect 2.
Hard Drive: 15 GB
OS: Windows XP SP3 / Windows Vista SP1 / Windows 7
DVD ROM: 1x Speed
Sound Card: DirectX 9.0c compatible
DirectX: DirectX 9.0c August 2008 (included)
Input: Keyboard / Mouse

Recommended System Requirements:

Processor: 2.6+ GHz Core 2 Duo Intel or equivalent AMD CPU
Memory: 2 GB RAM
Video Card: ATI Radeon HD 2900 XT, NVIDIA GeForce 8800 GT, or better recommended
Sound Card: 100% DirectX compatible sound card and drivers
DirectX: DirectX August 2008
OS: Windows XP SP3 / Windows Vista SP1 / Windows 7
NOTES: For the best results, make sure you have the latest drivers for your video and audio cards. Laptop or mobile versions of the above supported video cards have not had extensive testing and may have driver or other performance issues. As such, they are not officially supported in Mass Effect 2. Intel and S3 video cards are not officially supported in Mass Effect 2.