Full Details from Amazon.com : http://www.amazon.com/gp/product/B001BN3548?tag=onigi-20
Intel DP45SG Extreme Series P45 ATX DDR3 1333 2xPCIe 2.0x16 3xPCI 1333MHz FSB LGA775 Desktop
Form Factor ATX
Memory Slot 4
Max Bus Speed 1333 MHz
Supported RAM Technology DDR3
Will only support 8GB of Ram not 16GB