The Vision Lab of the University of Antwerp in Belgium has built the FASTRA II, the world’s most powerful desktop supercomputer. The FASTRA II gets six NVIDIA GTX295 dual-GPU cards and one GTX275 single-GPU card. In order to satisfy all 13 GPUs, the supercomptuer has four power supplies.
The FASTRA II offers 12TFLOPS of computing power and costs just Euro 6000.