Starcraft 2 System Requirements

StarCraft 2: Minimum System Requirements

Windows XP/Windows Vista/Windows 7 (Latest Service Packs) with DirectX 9.0c 
2.6 GHz Pentium IV or equivalent AMD Athlon processor 
128 MB PCIe NVIDIA GeForce 6600 GT or ATI Radeon 9800 PRO video card or better 
12 GB available HD space 
1 GB RAM XP / 1.5 GB Vista/Windows 7
DVD-ROM drive
Broadband Internet connection
1024X720 minimum display resolution

StarCraft 2: Recommended System:

Windows Vista/Windows 7
Dual Core 2.4Ghz Processor
2 GB RAM
12 GB available HD space 
512 MB NVIDIA GeForce 8800 GTX or ATI Radeon HD 3870 or better
DVD-ROM drive
Broadband Internet connection