R&S LANCOM XS-4554YUP Switch

Stackable L3 Managed Multi-Gig PoE++ Access Switch, 36 x 2.5GE and 12 x 10GE PoE++ (802.3bt Type 4), 4 x SFP28, 2 x QSFP28 FleX ports, hot-swappable PSU, 720 W PoE budget, 1440 W with optional 2nd PSU, redundant fan (N+1), 1020 Gb/s throughput, rack mount rails, EU cable, limited lifetime warranty