Hi mate,
The motherboard is an asrock h67m-ge
http://www.asrock.com/mb/overview.asp?cat=Specifications&Model=H67M-GE.
Looking at that spec on the site it appears to have more than 1 pci-e slot, I appear to be mistaken :D
CPU is an i7 2600 revision D2, memory is 16gb
Could I run a 3rd...