D-Link 54 Port 10GbE/40GbE Open Network Switch - Manageable - 3 Layer Supported - Modular - Optical Fiber - 1U High - Rack-mountable, Cabinet Mount - Lifetime Limited Warranty

6 x 40GbE QSFP+ ports Mini-USB Console port Two hot-swappable power supply modules for 1+1 redundancy and load sharing USB host port 1440 Gbps switching capacity Open Network Switch for Data Center and Enterprise networks 48 x 10GbE SFP+ ports RJ45 10/100/1000 Ethernet out of band management port All data ports and management ports on front Four hot-swappable fan modules provide 3+1 cooling redundancy