i think it's this :
1/ http://www.txcesssurplus.com/catalog/22625-HP-450937001-F.jpg
2/ http://www.txcesssurplus.com/catalog/22625-HP-450937001-L-A.jpg
well i have an hp wx4600 core 2 quad 2.83 , 4gb ram ddr2 800mhz , 160 hdd , nvidia quadro fx 580 , 475w 80+ psu .