Star Tech-com-2m-40 Gb-Ethernet-QSFP-Copper-Twinax-Cable-Star Tech-com-QSFPMM2M-p-The-Star Tech-com-QSFPMM2M-2m-QSFP-Twinax-Cable-supports-56 Gb-s-Infinib&-as-well-as-40-Gigabit-Ethernet-applications-when-connected-between-Quad-Small-Form-Factor-Pluggable-ports-It-is-a-fully-hot-pluggable-direct-attach-cable-Designed-for-short-length-high-speed-interconnects-this-low-power-low-latency-Twinax-cable-is-a-cost-effective-alternative-to-fibre-optic-cable-assemblies-It-is-intended-for-short