This 16GB RAM is 100% compatible with the HP Pavilion All-in-One 24-ca1014nb. Information on memory configurationThe following technical specifications should be observed in advance:Non ECC or ECC (Error Correction Code) RAM memory can be installed in the device. Modules labelled ECC have error correction.Non ECC memory modules cannot be operated together with ECC memories.If a memory expansion is to be carried out with the existing RAM memories, it must be checked which memory technology (non ECC / ECC) is available.The device supports non ECC SO-DIMM or ECC SO-DIMM. Memory modules with the identifier ECC have an error correction (error correction code).non ECC memory modules cannot be operated together with ECC memories.if a memory expansion is to be carried out with the existing RAM memories, it must be checked which memory technology (non ECC / ECC) is available.