dell genuine d6h9t motherboard logic board for optiplex 990 small form factor sff systems intel q67 express chipset compatible part numbers: d6h9t, 0d6h9t - Newegg.com
1pc used PRA-WB-Q67-V8.3 motherboard Q67 chipset | eBay
S5515AG2NR Tyan Socket LGA1155 Intel Q67 Chipset micro-ATX Server Motherboard