Had a nice 1,1 cabinet and used this board to build a 3,1 that runs smooth and very fast for a home computer. I can now run the latest 64 bit software. All parts were bought on ebay. This board, 2 xeon cpu, 2memory risers, north bridge heatsink and 3,1 wiring harness. Kept my old power supply memory, fans and modified my old memory cage to support the memory risers.