Windows 10: Upgrading to 32 GB RAM

Hi all, I have 16 GB RAM ( Two 8 GB sticks) and in the near future I want to upgrade to 32 GB RAM. Can I put another two 8 GB sticks near my other two or should I remove both 8 GB sticks and replace them by two 16 GB sticks? Thanks. My motherboard is ROG STRIX B360-H Gaming and CPU is i9 9900K

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Upgrading to 32 GB RAM

Hi all, I have 16 GB RAM ( Two 8 GB sticks) and in the near future I want to upgrade to 32 GB RAM. Can I put another two 8 GB sticks near my other two or should I remove both 8 GB sticks and replace them by two 16 GB sticks? Thanks. My motherboard is ROG SRIX B360-H Gaming and CPU is i9 9900K

 

Upgrading to 32 GB RAM

A computer that I got from HP came with different manufacturers:

Code:

It's recommended that you get matching RAM modules unless you have a guarantee for compatibility.

Mismatched RAM or RAM that is not on the Qualified Vendor List (QVL) can cause unexpected shutdowns and restarts.

Crucial provides a compatibility guarantee:
Crucial System Scanner | Crucial.com

 

I have installed 32 gb of ram but only 15,9 are available

many thanks for your reply and help!

unfortunately your ideas didn`t solved the problem but finally i resolved the problem with ammount of Ram. The steps:

1. upgrade of Bios to the last version. (I`m still waiting for the day when my mobo will see the real freqvensies of ram at 2400 not 2133 mhz )

2. I took away 3 of the sticks of ram , restarted the pc, and put back one by one and every time checking the amount of ram, so finally my pc says on sistem properties 32 gb of ram, totally amount of instaled Ram.

so the issue solved!

many thanks for your help!

sorry for my english!