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I can't find information about maximum RAM allowed on my 15-ay191ms HP Notebook.

HP Recommended
HP Notebook
Microsoft Windows 10 (64-bit)
Product Number -X7T51UA

Serial number [Personal Information Removed]
Also in the memory section, I see a red note: Part 820570-005 is no longer supplied. Please order the replacement, 937236-855
What does it mean?

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Message 2 of 2
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HP Recommended



Your notebook supports 2 x 8 GB of DDR4 memory.


The memory upgrade info can be found in chapter 1 of the service manual...


This would be a compatible 8 GB memory chip for your model...


Crucial 8GB DDR4-2400 SODIMM | CT8G4SFS824A |



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