We show photos of motherboard, pictures are for reference only, subject to our available products. Thanks for your kindly understanding! Please DO NOT use fake memory, because the motherboard maybe can’t support. Please DO NOT use single-side memory, because some motherboards can’t support. Some CPUs can’t be supported by motherboard, please try to update the BIOS, please note that’s not motherboard’s defect. Some Can’t boot problem’s caused by memory, please clean the memory’s gold fingers and clean the motherboard’s memory solts. As it’s used motherboard, as we know, any metal in the air will oxidized, and then there maybe a little rust on the ports. The quality is original second-hand goods. (Used product 90% new). One motherboard and one metal baffle without CMOS battery, did not have other part. This Product is 100% Not repaired. Packing include one motherboard and one I/O shield without CMOS battery, did not have other part. Integrated Chip Sound Card/Network Card. Main chipset Intel Z77. Chipset description Using Intel Z77 chipset. Display chip CPU built-in display chip (requires CPU support). Audio chip integrated Realtek ALC887 8-channel audio chip. NIC chip Onboard Realtek RTL8111H Gigabit NIC. CPU Type Core i7/Core i5/Core i3/Celeron/Pentium. CPU socket LGA 1155. CPU description Support for Intel 22nm processor. Memory Type 4×DDR3 DIMMs. Maximum memory capacity 32GB. Memory Description Support dual-channel DDR3 2800 (overclocking)/2677(overclocking)/2600(overclocking)/2400(overclocking)/2200(overclocking)/2133(overclocking)/2000(overclocking)/1866(overclocking)/1600/1333/1066MHz memory. PCI-E standard PCI-E 3.0. PCI-E slot 3 x PCI-E X16 graphics card slot, 4 x PCI-E X1 slot. Storage interface 4×SATA II interface, 6×SATA III interface. USB interface ne 10×USB2.0 interface (6 built-in +4 backplane); 4×USB3.0 interface (2 built-in +2 backplane). Video interface 1×VGA interface, 1×DVI interface, 1×HDMI interface. Power socket An 8-pin, 24-pin power connector. Other interfaces 1×RJ45 network interface, 1×coaxial output interface, 1×optical interface, audio interface, PS/2 keyboard and mouse universal interface. Main board type ATX board type. Dimensions 30.5×24.5cm. Please do not return any items without an authorization number or other instructions by us. Any packages that are send without our knowledge will be refused and no replacements will be issued.