Kesin olmamakla birlikte bir Starcraft fan sitesinde açıklanan Starcraft II sistem özellikleri şöyle:
Minumum Requirements
GFX: GeForce 7/8 Series or Radeon 1000/2000 with 256 MB RAM
CPU: Pentium 4
RAM: 1 GB
Internet: ADSL 1 MbitRecommended Requirements
GFX: GeForce 8000 or Radeon 2000 series with 512 MB RAM
CPU: Core 2 Duo or Athlon X2.
RAM: 2 GB
Internet: ADSL 3 MbitOptimal Requirements
GFX: Geforce 9000er or Radeon 3000er Series
CPU: Core 2 Duo 3 GHz or Athlon X2
RAM: 2GB with DualChannel mode