OS6900-X72: 10Gigabit/40Gigabit Ethernet L3 fixed configuration chassis in a 1U form factor with 48 1/10G SFP+ ports and 6 40G QSFP+ ports. QSFP+ ports operate as single 40GE port or Quad-10GE. Console and Ethernet management ports are RJ45. Front to Rear cooling. The chassis includes a modular DC power supply. A second power supply slot is supported for redundancy. Redundant power supply shall be ordered separately. The bundle ships with user manuals access card and rack mounts.