Opencast Mining will require Radeon HD 5670 1024MB graphics card with a Core 2 Quad Q6600 2.4GHz or Phenom II X4 900e processor to reach the recommended specs, achieving high graphics setting on 1080p. Don't try and play Opencast Mining without 1 GB, which helps get the 30FPS Another thing to consider is the DirectX capability of your GPU. Opencast Mining needs a GPU capable of running DirectX 9. In short you need a 8 year old PC for best Opencast Mining performance.