QNAP 2GB DDR3 1600 MHz ECC UDIMM RAM Module Applied Models: TS-EC879U-RP, TS-EC1279U-RP, TS-EC1679U-RP, TS-EC1679U-SAS-RP, TS-EC1279U-SAS-RP, SS-EC2479U-SAS-RP, SS-EC1879U-SAS-RP, SS-EC1279U-SAS-RP, WB-1200U-RP, WB-1600U-RP, TS-EC880 Pro, TS-EC1080 Pro, TS-EC880U-RP, TS-1280U-RP, TS-EC1680U-RP, TS-EC2480U-RP