Announced in a press release on November 19, 2013. This Trident II switch has 48 SFP+ and 6 QSFP+ ports on its face and can be augmented with 6 additional 40 Gb/s ports with an add-in module that plugs into the back. A common use of rear ports is to configure a heap of switches into a stack. This switch is also available in a varient with the all QSFP+ ports. Juniper also has Trident II switches varients that break out ports as SFP+ or QSFP+.
May 2017: List price with L3 is $18,820. Kernelsoftware price is $13,665. List for the L3 license is $6,495.