The CAB-Q-Q-0.5M is a 0.5m 40Gbase-CR4 QSFP+ to QSFP+ Twinax copper cable. The Arista Optical Cables offer customers a wide variety of high-density and low-power Ethernet connectivity options over fibre media. Integrated optics on some products deliver cost effective solutions that are optimized for a choice of interface speed and density in an all-in-one MXP (multi-speed port) interface. The MXP interfaces present standard fibre interfaces and are fully compliant to the relevant IEEE specifications ensuring multi-vendor interoperability as well as the benefits of extended reach and increased reliability.