This is a HPE (Hewlett Packard Enterprise) cable with part number P74311-001. It is designed to connect a PCIe Gen4 slot to a CNMB5 connector, commonly found in HPE servers for specific hardware configurations. This cable facilitates high-speed data transfer and connectivity between different components within the server system.
P74311-001 - Hpe Cable MB PCIe4 to HIB CNMB5