4478  The Fastra II is a desktop supercomputer designed for tomography . It was built in late 2009 by the ASTRA ( All Scale Tomographic Reconstruction Antwerp ) group of researchers of the IBBT ( Interdisciplinary institute for BroadBand Technology ) VisionLab at the University of Antwerp and by Belgian computer shop Tones , in collaboration with Asus , a Taiwanese multinational computer product manufacturer , as the successor to the Fastra I ( built in 2008 ) . 