Supermicro MicroBlade SDN Switch Module - For Optical Network, Data Networking 8 RJ-45 1000Base-T Network Uplink, 1 Console Management, 28 1000Base-X Network Downlink - Optical Fiber, Twisted Pair10 Gigabit Ethernet, Gigabit Ethernet - 10GBase-X, 1000Base-T4 x Expansion Slots - SFP+