QNAP LAN-1G2T-U LAN сard 2 ports Gigabit Ethernet for SS-EC1279U-SAS-RP, SS-EC1879U-SAS-RP, SS-EC2479U-SAS-RP, TDS-16489U, TS-870U-RP, TS-879U-RP, TS-1270U-RP, TS-1279U-RP, TS-1679U-RP, TS-EC879U-RP, TS-EC880U R2, TS-EC880U-RP, TS-EC1279U-RP, TS-EC1279U-SAS-RP, TS-EC1280U R2, TS-EC1280U-RP, TS-EC1679U-RP, TS-EC1679U-SAS-RP, TS-EC1680U R2, TS-EC1680U-RP, TS-EC2480U R2, TS-EC2480U-RP, TVS-471U, TVS-471U-RP, TVS-871U-RP, TVS-1271U-RP, TVS-EC1280U-SAS-RP. (replacement SP-X79U-1G2PORT)