US Patent 10140238 Open compute project network card converted to PCIe riser

An Open Compute Project (OCP) mezzanine riser with repurposed connectivity to allow for increased PCIe card count on a motherboard server. The OCP mezzanine riser includes at least one OCP connector, where the OCP connectors are mounted on the bottom of the mezzanine riser card and mate with at least one of three OCP connection points that are mounted on a server motherboard. Further, the OCP mezzanine riser includes one or more PCIe lanes mounted on the top of the mezzanine riser card, where a PCIe card may be connected to the one or more PCIe lanes of the mezzanine riser.