Question Should I get tonally new ram or just buy another stick (A pairing question)

[Random_Rav3r]

I have a single (Samsung 16GB DDR4 PC4-21300, 2666MHZ, 288 PIN DIMM, 1.2V, CL 19 desktop ram memory module) I was thinking about buying another and pairing them.

Am I just better off buying a pair of (CORSAIR Vengeance RGB Pro 16GB (2 x 8GB) 288-Pin DDR4 DRAM DDR4 2666 (PC4 21300) Desktop Memory Model CMW16GX4M2A2666C16W)

Buying another stick of what I have or just getting 4 8GB that are faster?

PS i have the MAG Z390M MORTAR

 

[Third-Eye]

I have a single (Samsung 16GB DDR4 PC4-21300, 2666MHZ, 288 PIN DIMM, 1.2V, CL 19 desktop ram memory module) I was thinking about buying another and pairing them.

Am I just better off buying a pair of (CORSAIR Vengeance RGB Pro 16GB (2 x 8GB) 288-Pin DDR4 DRAM DDR4 2666 (PC4 21300) Desktop Memory Model CMW16GX4M2A2666C16W)

Buying another stick of what I have or just getting 4 8GB that are faster?

PS i have the MAG Z390M MORTAR

Why get the same speed ram if buying new? Higher speed kits are not much more expensive. If you are already planning to buy a new kit get at least 3000 or 3200Mhz 2x8GB. Otherwise, you could get a single duplicate module and probably won't have a problem running them, but I would go for the 2x8GB at 3000-3200Mhz.

 

[Ralston18]

The guiding document is the User Manual for your motherboard.

https://www.msi.com/Motherboard/support/MAG-Z390M-MORTAR#down-manual

Verify that my link is correct.

Pages 14 and 27 present the supported RAM configurations.

Note the *'s and fine print. E.g., Filling DIMMA2 first.

To use Dual channel you will need matched modules.

 

[Random_Rav3r]

Hmm Well is there any reason it would be bad to just do duel) CORSAIR Vengeance RGB Pro 16GB (2 x 8GB) 288-Pin DDR4 DRAM DDR4 2666 (PC4 21300 )) and keep my old one.

Other wise ill get the (Samsung 16GB DDR4 PC4-21300, 2666MHZ, 288 PIN DIMM, 1.2V, CL 19 ) which is what I already have. I just read that unless they came off the line at the same time and were tested by the manufacturer and sold as a pair there is a risk that even tho they are same model they might not pair well and stress the mother board. I haven't ever seen the (Samsung 16GB DDR4 PC4-21300, 2666MHZ, 288 PIN DIMM, 1.2V, CL 19 ) sold as pairs so I think that is a red flag.

Basically if i got it , it might be better not pairing them and having 2 independent 16Gb tho at that point I feel like the Corsair is the way to go. I am not worried to much about the ram speed. I haven't mess with ram since 2003 since I have gotten gaming laptops until now. So i don't fully know what I am talking about.