4GB DDR3 ECC RAM Module Model:RAM-4GDR3EC-LD-1600 Category: 4GB DDR3 ECC RAM Module Description: QNAP 4GB DDR3-1600 ECC LONG-DIMM RAM Module EAN: 4712511124545 UPC: 885022004515 Applied Model: TS-EC879U-RP, TS-EC1279U-RP, TS-EC1679U-RP, TS-EC1279U-SAS-RP, TS-EC1679U-SAS-RP