The I/O shield MCP-260-00115-0N, which uses an EMI gasket design, is designed for mATX, ATX, and eATX motherboards. It is compatible with various X11 series Supermicro motherboards. This I/O shield has been FCC tested with our Supermicro Superserver configuration. This product has been fully tested and validated to ensure quality assurance. Standard Design For mATX, ATX, and eATX Motherboards Compatible With Various X11DAi Series Motherboards High Quality Anti-Rust Material Supermicro Certified