Axiom Memory Axiom 40GBASE-CR4 QSFP+ to 4 10GBASEAxiom Memory Axiom 40GBASE CR4 QSFP+ to 4 10GBASE CU SFP+ Passive DAC Extreme Compatible 1m 3. 3 ft Twinaxial Network Cable for Network Device, Router, Switch First End: 1 x QSFP+ Network Male Second End: 1 x SFP+ Network 40 Gbit s Black VPN: 10202 AX SKU: 823254NDN UPC: 840177839023 Features Passive Allows you to access all of the networked data, swiftly and securely Twinaxial cable type for places where up to 10 meters coverage with high speed data