DICE has released the system specs for the PC version of Battlefield 3. Check them out and see if you need to upgrade your rig to enjoy their upcoming military shooter.
Minimum:
OS: Windows Vista (Service Pack 2) 32-bt
Processor: 2 GHZ dual core (Core 2 duo 2.4 GHZ OR Athlon X2 2.7 GHZ)
Memory: 2 GB
Hard Drive: 20 GB
Graphics card (AMD): DirectX 10.1 compatible with 512 MB RAM (ATI RADEON 3000, 4000, 5000 or 6000 SERIES, with ATI Radeon 3870 or higher performance)
Graphics card (nVidia): DirectX 10.0 COMPATIBLE with 512 MB RAM (nVidia GeForce 8, 9, 200, 300, 400 or 500 series with nVidia GeForce 8800 GT or higher performance)
Sound card: DirectX compatible
Keyboard and mouse
DVD ROM drive
Recommended:
OS: Windows 7 64-BIT
Processor: Quad-core CPU
Memory: 4 GB
Hard drive: 20 GB
Graphics card: DirectX 11 compatible with 1024 MB RAM (nVidia GeForce GTX 560 or ATI RADEON 6950)
Sound card: DirectX compatible
Keyboard and mouse
DVD ROM drive