hp pro 6300 SFF memory voltage unclear

[fuzzysig]

I have the 6300 sff
upgraded to 32gb HMT41GU6BFR8A-PB which shows 1.35v from the Hynix page.
when I check on my pc it shows that its running at 1.5v instead of 1.35v

im not sure whats happening or if I need 1.5v or 1.35v at this point

there are like 4-5 different part numbers just for the 8gb ram from Hynix every few days I find another part number that matches the specs. honestly wtf Hynix why so many different part numbers for product with identical specs

 

[fuzzysig]

just found out theres yet another part number for what seems to be identical ram stick

what is going on with Hynix? are they purposely trying to confuse buyers with all these nonsense part numbers?