Reference:
CB-QSFP4X10G-3M
40G QSFP+ to 4 10G SFP+ Direct Attached Copper Cable, which is designed to work with PLANET™ products with a 40G QSFP+ interface to provide a cost-effective interconnect solution for merging 40G QSFP and 10G SFP+ enabled host adapters, switches and servers. Each QSFP-SFP+ splitter cable features a single QSFP connector (SFF-8436) with a data rate of 40Gbps on one end, and each of the four SFP+ connectors (SFF-8431) has a data rate of 10Gbps on the other. Can be inserted into PLANET™ switches with a 40G SFP+ interface, such as XGS-6350-24X4C. 3M length.