PC requirements

Supreme Commander System Requirements

Supreme Commander needs at least 3.0 GHz Intel or equivalent AMD processor or better, 1 GB RAM or better and 256 MB video RAM, with DirectX 9 Vertex Shader / Pixel Shader 2.0 support (Nvidia 6800 or better) graphics. For the recommended experience you want 1.8 GHz processor, 512 MB RAM and 128 MB video RAM or greater, with DirectX 9 Vertex Shader / Pixel Shader 2.0 support (ATI 9600+, Nvidia 6200+) graphics.

Verified Sources: Steam store listing
Supreme Commander minimum and recommended PC specifications
Component Minimum Recommended
Operating system Windows® XP Service Pack 2, Windows® Vista Windows® XP Service Pack 2, Windows® Vista
Processor 3.0 GHz Intel or equivalent AMD processor or better 1.8 GHz processor
Memory 1 GB RAM or better 512 MB RAM
Graphics 256 MB video RAM, with DirectX 9 Vertex Shader / Pixel Shader 2.0 support (Nvidia 6800 or better) 128 MB video RAM or greater, with DirectX 9 Vertex Shader / Pixel Shader 2.0 support (ATI 9600+, Nvidia 6200+)
Storage 8GB available hard drive space 8GB available hard drive space
Not sure how your PC compares? Use the Can I Run It checker — pick your CPU and GPU and it tells you which column you land in.

Other platforms

Supreme Commander is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Supreme Commander on PC

Can my PC run Supreme Commander?
Compare your CPU, GPU and RAM against the minimum column below. If your parts match or beat every minimum row, the game will launch — though you may need to lower settings. Matching the recommended column is what gets you 60fps at 1080p.
How much storage does Supreme Commander need?
8GB available hard drive space
What is the difference between minimum and recommended specs?
Minimum means the game starts and is playable, usually at 30fps on low settings at 1080p. Recommended is the developer's target for a smooth 60fps experience at high settings.