Flexible & economic solution for 10 Gb E adoption Equipped with an RJ-45 connector & supports IEEE 802.3an/bz (10GBASE-T/NBASE-T) & 802.3x, E10G18-T1 helps you smoothly migrate to a 10 Gb E networking environment with your existing infrastructure. Supporting backward compatibility & auto-negotiation between 10 Gbps, 5 Gbps, 2.5 Gbps, 1 Gbps, & 100 Mbps, E10G18-T1 is an economic solution to overcome the data transmission bottleneck for small businesses & home users. 5 year warranty Built to handle intensive workloads, Synology network add-in-cards are backed by Synologys 5 year limited warranty.