Single-port, high-speed 10GBASE-T/NBASE-T add-in card for Synology NAS servers Equipped with an RJ-45 connector and supports IEEE 802.3an/bz (10GBASE-T/NBASE-T) and 802.3x, E10G18-T1 helps you smoothly migrate to a 10GbE networking environment with your existing infrastructure. Supporting backward compatibility and auto-negotiation between 10Gbps, 5Gbps, 2.5Gbps, 1Gbps, and 100Mbps, E10G18-T1 is an economic solution to overcome the data transmission bottleneck for small businesses and home users.