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ANSI/VITA 88.0-2021, Switched Mezzanine Card Plus (XMC+) Standard SKU: AV88.0-2021


This document defines a standard for improved electrical/mechanical mezzanine connectors for XMC applications. Mechanically, the proposed connector is compatible with VITA 42/61 footprints achieving backward compatibility while offering improved mating/unmating forces. Electrically, speeds up to PCIe Gen 5 (32 Gbps) and maximum SI performance are supported.


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This document defines a standard for improved electrical/mechanical mezzanine connectors for XMC applications. Mechanically, the proposed connector is compatible with VITA 42/61 footprints achieving backward compatibility while offering improved mating/unmating forces. Electrically, speeds up to PCIe Gen 5 (32 Gbps) and maximum SI performance are supported.