The VDX 6940-36Q is a fixed 40 Gigabit Ethernet- optimized switch in a 1U form factor. It offers 36 40 GbE QSFP+ ports and can be deployed as a spine or leaf switch. Each 40 GbE port can be broken out into four independents 10 GbE SFP+ ports, providing a total of 144 10 GbE SFP+ ports. Deployed as a spine, it provides options to connect either 40 GbE or 10 GbE up links from leaf switches. By deploying this high-density, compact switch, data centre administrators can reduce their TCO through savings on power, space, and cooling.