Quantity   Component name
4 × MSI AM1I Mini-ITX motherboard Socket AM1 ITX Motherboard
4 × AMD Sempron 2650 APU CPU/GPU
4 × 4GB DDR3-1333 DDR Memory
1 × 400W ATX Power supply Power supply
4 × 12V relay Relay
6 × 2N2222A Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
1 × Pile of perspex
1 × Various resistors
1 × Lots of wire and CAT5 cable
4 × Female AMP power connector
4 × Male AMP power connector
1 × MiniFit JR ATX power connector