This Gigabyte GA-MA78GM-US2H motherboard comes with an I/O shield and is compatible with Socket AM2 processors from AMD. It has four memory slots that support DDR2 SDRAM, and multiple input/output ports including VGA, DVI, HDMI, Ethernet, and USB 2.0. It is tested and in good working condition. See photos for cosmetic condition. Please message with any questions!