1-Pin QSFP+ Male to 1-Pin QSFP+ Male SFP Cable—The QSFP+ Cable connects to the quad small form-factor pluggable (QSFP) ports on some PXI Ethernet Interface Modules and other hardware devices. The model also has multimode optical fiber options that you can use in tandem with QSFP+ optical transceivers. The cable is rated for transmission speeds up to 40 Gbps and is offered in different lengths.