Shift 2 Unleashed Minimum System Requirements:

Required - Internet Connection
OS - Windows XP (SP3) / Vista (SP2)/ Windows 7
Processor - Intel CoreTM2 Duo 2.0 GHz / AMD X2 64 2.4GHz
Memory - 2.0 GB
Hard Drive - 7 GB
DVD Drive - 8 SPEED
Video Card - DirectX 9.0c Compatible 3D-accelerated 512 MB video card with Shader Model 3.0 or higher
Sound Card - DirectX 9.0c compatible
DirectX - Version 9.0c
Online Multiplayer - 512 Kbps or faster; 2-12 Players
Input - Keyboard, Mouse, Supported Game Controllers
Optional - USB Steering Wheel / Dual Analogue Gamepad

*Supported chipsets: ATI HD3 Series or greater; NVIDIA GeForce 8 Series or higher or greater

Laptop versions of these chipsets may work but are not supported. Updates to your video and sound card drivers may be required.

EA Download Manager Users require 8.16 GB additional space for temporary installation files

*NOTE - To install the game properly on Windows XP/Windows Vista, you will need administrator access to your machine. Consult your Windows XP/Windows Vista documentation for more information.

Required Software:
DirectX 9.0c

Officially Supported Steering Wheels:

PC Steering Wheels
Logitech G27 Racing Wheel
Logitech G25 Racing Wheel
Logitech Driving Force GT
Logitech Formula Force EX
Logitech Driving Force
Logitech Driving Force EX
Logitech Driving Force RX
Logitech Driving Force Pro
Logitech MOMO Force
Logitech MOMO Racing
Thrustmaster RGT FFB Pro Clutch
Thrustmaster Ferrari GT Experience
Thrustmaster Ferrari 430
Fanatec Porsche 911 Turbo S