D-Link 54 port Stackable Gigabit PoE Switch with 6 10GbE ports

The DGS-3130 Series switches are Lite Layer 3 Stackable Managed Switches designed to offer fast and secure connectivity on enterprise or metro Ethernet access network. These switches support high speed stacking, multicast management and enhanced security, making them an ideal Gigabit access layer solution. The DGS-3130 Series switches offer six 10Gb ports: 2 copper and 4 SFP+, which can be used for stacking and as high bandwidth uplinks. In addition each copper port in DGS-3130 Series switches has 6 kV surge protection buit-in for higher network reliability.
" 48 1000Base-T PoE ports with 2 10GBASE-T and 4 10G SFP+ ports
" 48 PoE/PoE+ ports with 370W budget, upgradable to 740W
" Six 10Gb ports: 2 copper and 4 SFP+ for stacking and uplinks
" 216 Gbps switching capacity
" Stackable up to 9 switches with 80Gb stacking bandwidth
" Layer 3 switch with essential Layer 3 features included
" 6 kV surge protection on all copper ports
" Comprehensive security features
" Redundant Power Supply support