CPU Intel® Socket 1156 Core™ i7 Processor/Core™ i5 Processor/Core™ i3 Processor Chipset Intel® H55 Express Chipset Memory 4 x DIMM, Max. 16 GB, DDR3 2133(O.C.)*/1333/1066 Non-ECC,Un-buffered Memory Expansion Slots 1 x PCIe 2.0 x16
1 x PCIe 2.0 x1 (2.5GT/s, gray slot)
2 x PCI Audio Realtek 8-Channel High Definition Audio CODEC USB 12 USB 2.0/1.1 ports VGA Multi-VGA output support: HDMI, DVI-D and RGB ports