Zimacube Pro 16GB memory upgrade

Got my Zimacube pro with 16GB last week. Try to upgrade to 64GB but it only recognize 32GB. I tried 2 set of memory, first set is Kingston 2x32GB DDR5 4800 CL40 1.10V KVR48S40BD-32, the second set is Crucial 2x32GB DDR5 4800 CL40 1.01V CT2K32G48C40S5. The BIOS only show 32GB. Is there something I missed, jumper to set, or I may have a bad unit?

Maybe you can cross verify which slot is the problem?

Do you have any additional boards in the PCI slots. If so, try without them.

@777-Spider The memory module can be individually recognized in the upper and the lower memory slots. It just cannot recognize both install at the same time.

@eddie_a No PCIe card is installed in the system.

The memory model currently used on the zimacube creator pack 64GB version device is CT32G48C40S5. Normally there should be no set recognition problem.Can you provide a link or photo of the actual product?