This is a used MSI A78M-E45 AMD Socket AM2+ DDR3 SDRAM Desktop Motherboard with I/O shield. It has 4 memory card slots and supports DDR3 SDRAM memory type. The motherboard is compatible with AMD CPU brand and is designed for desktop use. It has a microATX form factor and expansion slots including PCI Express x16. The item is 10.5 inches in length and 2.5 inches in height. The motherboard model is A78M-E45wIO. Please note that this product contains a chemical known to the State of California to cause cancer.