N5850-48S6Q is a TOR (Top-of-Rack) or Leaf switch in a compact 1U form factor with 48 10Gb SFP+ and 6 40Gb QSFP+, which is capable for high-density availability and uplink options. We provide the self-developed extensible open networking operating system FSOS, which can perfectly run on the high-quality white box networking switches. And it can be replaced with other supported third-party Network Operating Systems (NOSs) according to customer needs. Packed with software features that support complete Layer 3 IPv4 and IPv6 routing protocol, the switch is built for the small and medium data centers, and the medium and large campus networks.