QNAP 8GB DDR3L RAM, 1600 MHz, SO-DIMM Compatible with: For TS-x51, 451U, x53, x53U series, TS-453mini, IS-453S, TBS-453A (suggest to use the same size memory for both memory slots) and TVS-x63 series, TS-563, TS-x63U, TVS-x63, TS-251+,TS-451+, TS-x53BU, TS-963X, TS-x31P3
