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Question Can I use faster DDR5 on a mobo that supports slower DDR5 (backwards compatibility/downclocking?)

Turbonium

Turbonium

Platinum Member
Motherboard in question:
www.asus.com

Pro Q670M-C-CSM｜Motherboards｜ASUS Global

The ASUS Corporate Stable Model (CSM) program is designed to provide stable motherboards to any scale of businesses with up to 36-month supply, EOL notice & ECN control, and IT management software â ASUS Control Center Express.
www.asus.com www.asus.com

Memory in question:
DDR5 5600 1.35V
or
DDR5 5600 1.25V
or
DDR5 5200 1.10V

I take it the important aspect here is the voltage the motherboard supports. Unfortunately, I can't seem to find what voltage those RAM slots are rated for.

EDIT: found this link.

So it only supports RAM sticks that take 1.10 V?
 
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Turbonium said:
EDIT: found this link.

So it only supports RAM sticks that take 1.10 V?
Click to expand...
The memory should run 4400/4800 by default if that's all the board can handle. That page is listing the voltage THOSE memory mudules require. I'm sure you could turn it higher.
Generally memory modules are more stable when run below their rating.

Do you already have the board? Seems kind of dated to invest in.
 
WilliamM2 said:
The memory should run 4400/4800 by default if that's all the board can handle. That page is listing the voltage THOSE memory mudules require. I'm sure you could turn it higher.
Generally memory modules are more stable when run below their rating.

Do you already have the board? Seems kind of dated to invest in.
Click to expand...

I'm not sure I understand. So you're saying I can run memory modules with the mobo, even if the modules require higher voltage than the mobo can deliver? Sorry, I'm not very well-versed with memory tech. And I always thought higher voltage = better for stability, assuming nothing breaks. Or did you mean lower speed than what they're rated at, not voltage?

As for the mobo being old:

Question - solid mobos that don't try to look all "cool" (not OCing)

Are there any mobo manufacturers that make a solid product (stability above all else, followed closely by performance) without also trying to make their mobos look "cool"? Keep in mind I am not planning on OCing. Seems like almost all mobos nowadays are all "fancy". I'm a bit of a purist, so I...
forums.anandtech.com forums.anandtech.com

😀
 
Turbonium said:
Can you link me?
Click to expand...
From your link to the motherboard, go to Support -> CPU/Memory Support -> Memory

Pro Q670M-C-CSM｜Motherboards｜ASUS Global

The Pro Q670M-C-CSM supports Intel® socket LGA1700 for 12th Gen Intel® processors, and is equipped with outstanding features, including PCIe 4.0 support, DDR5 4800*, two M.2 PCIe 4.0 slots, M.2 slot only (Key E), Four USB 3.2 Gen 2 ports, front USB 3.2 Gen 1 Type-C®, Intel® Optane Memory Ready...
www.asus.com www.asus.com
 
Yeah, I didn't realize those tables are the QVR. I thought it would be something more official.

By the way, how risky is it to pry off G.Skill Trident Z5 heatspreaders (using only something like say a blowdryer on very low heat setting, and some isopropyl alcohol to hopefully weaken the adhesive)?
 
Turbonium said:
I'm not sure I understand. So you're saying I can run memory modules with the mobo, even if the modules require higher voltage than the mobo can deliver? Sorry, I'm not very well-versed with memory tech. And I always thought higher voltage = better for stability, assuming nothing breaks. Or did you mean lower speed than what they're rated at, not voltage?

As for the mobo being old:

Question - solid mobos that don't try to look all "cool" (not OCing)

Are there any mobo manufacturers that make a solid product (stability above all else, followed closely by performance) without also trying to make their mobos look "cool"? Keep in mind I am not planning on OCing. Seems like almost all mobos nowadays are all "fancy". I'm a bit of a purist, so I...
forums.anandtech.com forums.anandtech.com

😀
Click to expand...
I didn't say old. I said dated. As in lacking features that I would want for that price, including the ability to run decent DDR5 speeds. I'd get a 7 series chipset.

Your requirements are silly if the case doesn't have a window. The board is going to look the same whether it's plain, or not. If it has lights, turn them off.
 
Last edited:
Turbonium said:
Yeah, I didn't realize those tables are the QVR. I thought it would be something more official.

By the way, how risky is it to pry off G.Skill Trident Z5 heatspreaders (using only something like say a blowdryer on very low heat setting, and some isopropyl alcohol to hopefully weaken the adhesive)?
Click to expand...
Why would you want to pry the heatspeaders off? Your case isn't going to have a window, you can't see them, and you will void the lifetime warranty.
You'll also kill resale value.
 
WilliamM2 said:
Why would you want to pry the heatspeaders off? Your case isn't going to have a window, you can't see them, and you will void the lifetime warranty.
You'll also kill resale value.
Click to expand...

I'm just weird/highly particular.

Also: I'm thinking of modding the side of my case so that it has a window, fwiw.
 
I don't want to start a new thread, so I'll just ask this here:

Is V-color a reliable memory manufacturer (I never heard about them until very recently)? The sticks in question use Hynix chips.

v-color.net

v-color Technology Inc.- Your Ultimate Memory Solution

" Ram evolution, ultimate solution ", v-color's goal is to continuously innovate new products and provide total solution to the community! Visit now to shop or learn more.
v-color.net v-color.net
 
Last edited:
www.teamgroupinc.com

ELITE U-DIMM DDR5 desktop memory module

TEAMGROUP ELITE is leading the industry by launching U-DIMM DDR5 memory kits. The first launch will see 16GBx2, 4800 MHz, and 1.1V. Other changes include an improved structural composition, reduced working voltage, and self-correction function to deliver better, more performance than DDR4 while...
www.teamgroupinc.com www.teamgroupinc.com

No heat spreader.
 
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