Description Ports Category Connection Bus
Synology 10 Gigabit RJ45 single port network card 1 10 Mbit RJ45 (10 Gbit/s) PCIe 3.0 x4
Synology 10 Gigabit RJ45 dual port network card 2 10 Gbit RJ45 (10 Gbit/s) PCIe 3.0 x8
Synology 10 Gigabit SFP+ dual port network card 2   SFP+ (10 Gbit/s) PCIe 3.0 x8
Synology 25 Gigabit SFP28 dual port network card 2   SFP28 (25 Gbit/s) PCIe x8