4 x 16x QSFP+ I/O Module (Each with 16 ports of 40Gb QSFP+, All 16 can be used as 40GbE or 8 ports can breakout to 4x10GbE). 2RU high-density 10/25/40/50/100GbE fixed switch with choice of up to 32 ports of 100GbE (QSFP28), 64 ports of 50GbE (QSFP28), 64 ports of 40GbE (QSFP+), 128 ports of 25GbE (SFP28) or 128 ports of 10GbE (using breakout cable) and two fixed SFP+ ports of 10GbE/1GbE/100MbE.