LANCOM GS-4554X - Switch - L3 - managed - 36 x 10 / 100 / 1000 + 12 x 2.5GBase-T + 4 x 1 Gigabit / 10 Gigabit SFP+ + 2 x 10 / 40 Gigabit QSFP+ (Uplink / Stacking)