Rush Assembly With Advanced Assembly & Testing Option. Your Combo Kit Will Be Assembled, Tested (Burn-In) And Shipped Within 48 Hours Period. Protect yourself against potential damage to the CPU from improper installation. CPU Heatsink & Fan are preinstalled on system board and are tested for any potential problems. All CPU FSB jumpers & / or Bios settings for the CPU will be pre-set. Board / CPU / Fan are packaged with with special packaging designed to allow the board to be shipped with the fan still attached.