This Axiom QSFP+ 40Gbps Passive Direct Attach Cable (DAC) is designed to provide reliable, high performance, and cost-effective network connectivity in Cisco product platforms. Optimized and tested 100% compatible with the Cisco QSFP-H40G-CU5M Passive Direct Attach Cable. This Axiom 40Gb Direct Attached Cable, part number QSFPH40GCU5M-AX is qualified as an OEM alternative and will function identical to the Cisco cable in all applicable inter-networked applications. This passive Direct Attach Cable meets all environmental mandated requirements for Restriction of Hazardous Substances (RoHS) compliance and is fully compliant to the latest CFP MSA (multi-source agreement) . This Axiom QSFP+ copper assembly is compliant to SFF-8436 and IEEE 802.3ba (40GBASE-CR4) standards and is optimized for bandwidth-intensive applications like 40-Gigabit Ethernet (40GBASE-CR4), 6G SAS, Fibre Channel, and SONET, for multi-platform support. Axiom networking interconnectivity products offer the same functionality, performance, quality, and reliability that are characteristic of the OEM-branded options. Rigorous testing procedures ensure the performance integrity of Axiom's entire transceiver and cable interconnect portfolio, while utilizing tier-one components and the most stringent manufacturing processes available.