The HP BLc 4X FDR Managed IB Switch for HP BladeSystem c-Class is a double wide switch for the HP BladeSystem c7000 Platinum enclosure. It is based on the Mellanox Switch X technology. The FDR IB switch blade has 16 downlink ports to connect up to 16 server blades in the c7000 enclosure, and 18 QSFP uplink ports for inter-switch links or to connect to external servers. All ports are capable of supporting 56Gbps (FDR) bandwidth. The switch contains an integrated management module that is capable of managing a cluster of up to 648 nodes.