Compatible with Cisco QSFP to CX4 at lengths

here is a hybrid cable for Cisco QSFP to CX4. Will this fit SFP+ ports? Deeply confused by standards and struck in a situation with wrong hardware selection!Personally CablesPlus USA offers Cisco QSFP to CX4 (Quad Small Form-Factor Pluggable) for many different applications. Cisco QSFP to CX4 refers to the small form factor transceiver spec Mellanox’s hybrid QSFP to MicroGiGaCN passive copper cables are compliant with SFF-8470 with Mellanox’s hybrid Cisco QSFP to CX4 passive copper cables significantly reduces power  cables are available with a wide range of connector types, complying with the different  hybrid cables can connect between DDR adapters with CX4 connectors to high  Reaching data rates of up 5Gpbs per channel. Compatible with 4x Infiniband SDR/DDR and 10 GbE applications.This cable is available at lengths from 0.5m to 5m. QSFP copper modules provide a high density, high bandwidth solution at very low cost and reduced power budget.cutting edge technology to provide an excellent hybrid cable solution for Cisco QSFP to CX4 rated switches, network adapters, and storage arrays.cable assemblies are a high-performance computing connectivity solution supporting InfiniBand DDR, Cisco QSFP to CX4 and SAS applications.