48-port; 24-port 100MbE/1GbE/2.5GbE/5GbE/10GbE POH, 24-port 10MbE/100MbE/1GbE PoE+, 4xQSFP (either 2x100GbE or 4x40GbE), modular slot, no PSU, no fans, transceivers sold separately