Have 16GB of DDR4 RAM @ 3000 Mhz and not only does it only use 8GB of the 16GB, it only has a speed of 2133 Mhz

Sep 5, 2018
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Hi,

I've looked around some other forums posted here before and I haven't found a single solution.

I put on D.O.C.P on the AI Tweaker in the BIOS and it said the Memory Frequency is 3000 Mhz, but when I save and exit it doesn't mention the change I maid on the Memory Frequency, only the fact that I changed the AI OC Tuner to D.O.C.P instead of Auto. I've installed CPU-Z and it still says 2133 Mhz, and 16GB RAM.

AND Windows only uses 8GB of my 16GB of RAM (says 8GB usable).

This is my first proper gaming PC and I can't seem to get it working.

Thanks a bunch guys!
 


Which motherboard and operating system are you using?
 


I had to install windows 10 on another pc on a USB then stick the usb in my current PC, otherwise it's so expensive.

The motherboard is an ASUS Prime B450-Plus, and yes it does support RAM sticks for over 3200 Mhz (and under of-course)
 


Windows 10 version? home? pro? Under resource monitor how much is it showing for hardware reserved under memory?
 


Home. The only 8gb RAM usable fixed now, all that's left is that the RAM is running at 2133 Mhz.