Not the 1U type, but the type for bigger cases with the snap in place perimeter.
this is a pretty generic i/o shield. Supermicro says " Compatible With Various X7, H8, X8, X9, and X10 Motherboards"
Supermicro IO Shield For 2U+ Chassis (MCP-260-00027-0N)
Standard Design For mATX, ATX, and eATX Motherboards Compatible With Various X7, H8, X8, X9, and X10 Motherboards High Quality Anti-Rust Material Supermicro Certified
store.supermicro.com