Flexible and economic solution for 10Gb E adoption 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 10Gb E 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. 5 year warranty Built to handle intensive workloads, Synology network add-in-cards are backed by Synology s 5 year limited warranty.