CPU INTEL LGA 1155 Socket Support INTELSandy Bridge INTELSeries Processors(32nm). Chipset INTEL H61 Express Chipset. Memory Dual Channel DDR3 memory technology 2*240-pin DDR3 DIMM slots Supports DDR3 1333/1066 non-ECC,un-buffered memory Max 8GB. Expansion Slots 1*PCI Express x 16 slot 2*PCI Express x1 slots Storage Embedded INTELH61 Chipset: 4*Serial ATA2 3GB/s coonectors. Audio 6-channel HD Audio CODEC Ethernet LAN PCI-E Gigabit LAN USB Embedded 8*USB 2.0/1.1 Special Feataures 3+1+1 Phase CPU Power Support INTEL H61 Express Chipset Rear Panel I/O 4*USB 2.0/1.1 ports 1*PS/2 keyboard/MS port 1*RJ-45 port 1*Audio I/O port 1*Coaxial Output 1*DVI Port & 1*VGA port Internal I/O 4*USB 2.0/1.1 headers for 4 USB 2.0/1.1 port CPU / Chassis Fan connectors 1*8-pin ATX 12v power connector 1*24 pin ATX Power connector 1*COM port 1*HDMI_SPDIF header BIOS AMI 32MB SMT Flash ROM Form Factor Micro-ATX Form Factor (245mm X 180mm)