CPU (Max Support) i7 Chipset Intel® B75 DDR3 Memory 1066/1333/1600/1800*/2000*/2200*/2400* MHz(OC, 22nm CPU required) Memory Channel Dual DIMM Slots 2 - Max Memory (GB) 16 PCI-Ex16 1 PCI-E Gen Gen3 (16) - PCI-Ex1 1 - PCI 1 SATAIII 1 - SATAII 3 LAN 10/100/1000*1 - TPM Y USB 3.0 ports (Rear) 2 - USB 2.0 ports (Rear) 4 Audio ports (Rear) 3 VGA 1 - HDMI 1 VGA Max Share Memory (MB) 1760 DirectX 11 Form Factor M-ATX