64GB RAM upgrade on ts-873a and ts-h973ax

May I know if going to install 64GB RAM on QNAP TS-h973AX will it able to see 64GB RAM installed? as I watched your video (64GB, 32GB and ECC memory in the QNAP TS-873A NAS – Memory Upgrade Test) TS873A and TS-h973AX are using same CPU.

 

Yes, the limit is always based on a CPU, not the NAS model.

So in this video, we tested Kingston 32GB memory which worked and also could be used in virtual machines.

Kingston 32GB memory kcp426sd8/32 DDR4 2666MHZ: USA   UK 

Samsung 32GB (no tested but should also work)   USA   UK

 

 

Yes, you can upgrade this NAS with ECC memory. This will require removing the existing non-ECC module. But this is the right thing to do if you want a more reliable system. Not only ZFS files system can benefit from this, but any other file system too. Very useful for things like VMs, web servers etc.
Here is a list of Qnap ECC RAM:
RAM-16GDR4ECT0-SO-2666
RAM-8GDR4ECT0-SO-2666

ECC alternatives:

not tested on our side

Kingston Server Premier KSM26SED8/16HD Memory 16GB 2666MHz DDR4 ECC CL19 SODIMM 2Rx8 Hynix D

UK https://amzn.to/3iMvacC
USA   https://amzn.to/3zFkG5H

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