The LENOVO 00FK629 is a specially designed PCIe riser card compatible with the System x3650 M5 server model. This riser card expands the server’s capabilities by providing additional PCIe slots for enhanced connectivity and functionality. It comes equipped with two PCI Express slots that support full-height, full-length (FH/FL) form factor cards, and one PCI Express slot that supports a full-height, half-length (FH/HL) card. This configuration allows for a wide range of expansion cards to be installed, such as additional network cards, storage controllers, or GPU accelerators, thus providing flexibility in customizing the server to meet specific workload demands. The riser is designed for easy installation and is an essential component for upgrading the System x3650 M5, ensuring it can deliver optimal performance for demanding enterprise environments.