48-port; 24-port 100MbE/1GbE/2.5GbE/5GbE/10GbE POH, 24-port 10MbE/100MbE/1GbE PoE+, 4xQSFP (either 2x100GbE or 4x40GbE), modular slot bundle includes 2 1000W AC power supplies and 2 fans, front to back airflow, transceivers sold separately, TAA