Synology E10G22-T1-Mini 10GbE SFPadd-in-Card 2 Port – 10GbE RJ-45 Network Upgrade Module Share 0 See on Amazon Supports 10Gbps/5Gbps/2.5Gbps/1Gbps/100Mbps connections to work with almost all RJ-45 network environments Expanding system capabilities through 10GbE connectivity Easy integration with support for 5/2.5/1Gbps networks Designed to deliver maximum performance and reliability on Synology systems