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Backplace for CPU water block- why does it make sense?

post #1 of 11
Thread Starter 
So far, I have assumed that the point of having a backplace for your CPU water block is to be able to tighten the screws even more without bending or damaging the motherboard.

However, when I think about it, my Alphacool backplate has never prevented me from bending my earlier AMD motherboards, and I believe that the Alphacool universal backplate is one of the better ones out there.

Also, when I looked for backplates for water cooling blocks compatible with the LGA 1155/1156 sockets, I was suprised that some of them aren't really much more than frames with screwholes in them.

My question is this: what is the point of having a backplate for your CPU water block, that is, from a technical rather than aesthetic perspective, why does it make sense?
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post #2 of 11
So that you can mount the waterblock with the required hardware...
   
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post #3 of 11
Thread Starter 
Quote:
Originally Posted by Rian;13842500 
So that you can mount the waterblock with the required hardware...

But if you have a water block, which is compatible with the socket of your motherboard, then a backplate should not be necessary in order to mount the water block?
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post #4 of 11
u should know what PCB is made of....
post #5 of 11
Quote:
Originally Posted by Gnavox;13842509 
But if you have a water block, which is compatible with the socket of your motherboard, then a backplate should not be necessary in order to mount the water block?

Well its compatible with that socket because of that specific backplate it uses.
   
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post #6 of 11
The backplate just like you said, adds additional support. Is it absolutely needed, most of the time no. But some cpu waterblocks on some thinner mobos if tightened too tight will bend the mobo. So they started offering backplates.
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post #7 of 11
Thread Starter 
Quote:
Originally Posted by Rian;13842586 
Well its compatible with that socket because of that specific backplate it uses.

Eh, no. Alphacool water blocks come without backplates as default, no matter if its the Intel or the AMD version.
Quote:
Originally Posted by opt33;13842630 
The backplate just like you said, adds additional support. Is it absolutely needed, most of the time no. But some cpu waterblocks on some thinner mobos if tightened too tight will bend the mobo. So they started offering backplates.

A-ha. I thought it was something like that. It's just, when I look at some of the backplates out there, I can't really figure out what they are supposed to do and how they are supposed to prevent the motherboard from bending.
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post #8 of 11
Quote:
Originally Posted by Gnavox;13842702 
It's just, when I look at some of the backplates out there, I can't really figure out what they are supposed to do and how they are supposed to prevent the motherboard from bending.

They're just supposed to even out the pressure placed on the motherboard. If you did screws by themselves, you could wrench two opposite ends down and leave two loose, and that would bend the motherboard, sometimes causing shorts in places, or at worse causing cracks or something.
post #9 of 11
Quote:
Originally Posted by Gnavox;13842452 
My question is this: what is the point of having a backplate for your CPU water block, that is, from a technical rather than aesthetic perspective, why does it make sense?

even mounting pressure.

when one has something solid which cant bend, and u have pressure applied on it, you get a more even mounting pressure formed.

Even mounting pressure is important on newer blocks, it can make a big difference as being first and being fourth.
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post #10 of 11
Meh, I don't have a backplate on my lga 775 setup, and it's doing fine.
I AM making a backplate though. Couldn't find steel that was more thin than 4mm, so my backplate is going to be that thick biggrin.gif
It will _not_ bend.
    
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