This 32GB memory is 100% compatible with QNAP TS-473A-8G.
Note when selecting memory modulesQNAP uses SO-DIMM memory without ECC function in the NAS system.However, the AMD Ryzen V1500B CPU installed in the device also supports memory modules with ECC function.Memory modules with ECC function (with error correction) cannot be used together with memory modules without ECC function.When purchasing memory modules with ECC function, the memory modules installed by QNAP must be removed!For a dual DIMM configuration, you must always use two identical SO-DIMM DDR4 modules.