48-port with 36-port 10/100/1000 Mbps/ 2.5 Gbps 802.3 bt POE++ 12-port 10/100/1000 Mbps/25/5/10 Gbps 802.3 bt POE++ 2x 40/100Gbps QSFP+ dual-mode uplink/stacking ports modular slot. Power supplies fans and port modules sold separately.