This Acer IPIMB-AR motherboard is a great choice for those looking for a microATX form factor compatible with LGA 1155/Socket H2 Intel CPUs. With four memory slots supporting DDR3 SDRAM and expansion slots for both PCI Express x1 and x16, this unit is perfect for casual computing needs. Additionally, this motherboard features on-board audio and a variety of input/output ports including PS/2, D-Sub, HDMI, Ethernet (RJ-45), USB 3.0, and USB 2.0. It comes with a CPU cooler and unit quantity is one. Please note that the IO shield is not included.