Synology E10G18-T1 10Gbe s a dual-port 10GbE SFP+ network interface card that lets you boost network bandwidth and performance. Handle more operations, users, and high-resolution videos. Combine the E10G21-F2’s two 10GbE ports into a Link Aggregation group to enable higher simultaneous throughput, port failover, and load balancing. Applied Models FS series:FS6400, FS3600, FS3400, FS3017, FS2017, FS1018 SA series:SA3600, SA3400, SA3200D UC series:UC3200 21 series:RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+ 20 series:RS820RP+, RS820+ 19 series:RS1619xs+, DS2419+, DS1819+ 18 series:RS3618xs, RS2818RP+, RS2418RP+, RS2418+, DS3018xs, DS1618+ 17 series:RS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, DS3617xs