Query about new build

[Cal281]

I recently built a computer and was hoping to be able to use 128GB of RAM to complete it since the motherboard supports that maximum capacity of RAM. However, after not building a computer in many years, I remembered that I should have checked the QVL of the motherboard first; the PC would only POST with 64GB of RAM.

 

I bought 2 pairs of 32GB Corsair Dominator DDR5 RAM that advertise as 5200MHz.

 

My specs:

MSI MAG Tomahawk B650 Wifi

RTX 3090TI

Be quiet 1500W PSU

AMD Ryzen™ 9 7950X

 

Is there any way that I could use all 4 sticks by tweaking the BIOS? I'm only able to use 2 sticks

 

 

[bezza...]

wait so the pc only posts with 2 32gig sticks of ram not with 4 of them?? is this with xmp enabled?? also y do u need 128gigs of ram

[Dr0idGh0sT]

4 sticks of DDR5 often doesn't work.

Have you updated BIOS? 

[Cal281]

2 hours ago, Dr0idGh0sT said:

4 sticks of DDR5 often doesn't work.

Have you updated BIOS? 

I sure did. I currently have the latest BIOS

[Cal281]

2 hours ago, Dr0idGh0sT said:

4 sticks of DDR5 often doesn't work.

Have you updated BIOS? 

 

2 hours ago, Tomberry said:

wait so the pc only posts with 2 32gig sticks of ram not with 4 of them?? is this with xmp enabled?? also y do u need 128gigs of ram

XMP is enabled. Yes, it only POSTs with 2 sticks of 32GB RAM. I want to use 128 because I have plans to create a server

[Dr0idGh0sT]

2 hours ago, Cal281 said:

XMP is enabled. Yes, it only POSTs with 2 sticks of 32GB RAM. I want to use 128 because I have plans to create a server

Try it without XMP or try to get EXPO RAM.