E21-7C02011-C22 original MSI I/O Shield black - sparepartworld.com
Amazon.com: IOmesh Black Universal IO Shield Plate - for All PC Motherboards That was Lost Original Backplate, Make New Custom IO Shield for PC Motherboard : Tools & Home Improvement
Amazon.com: I/O IO Shield Motherboard Backplate Bracket Replacement for MSI B550-A PRO Motherboard IO : Electronics