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What makes a good block?

post #1 of 4
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I was just browsing through some blocks, I'm going to get a real wc'ing solution soon, once I get my new setups and a bit of money again.

I also noticed the topic about which is the best waterblock, and it really got me thinking. While looking at them on xoxide, I started getting more and more inquisitive, about what exactly makes a good waterblock. Browsing, you see lots of different shapes, models, brands, lots of different bar styles, and many different colors

Sure, they look different.. But how are you supposed to tell which is better, without relying solely on the brand name? One would assume that larger barbs would make for a better block, I think it would also be fair to think that one made of copper would be much better.

Construction of the block is also a key, but all brands will say they have extremely high quality construction. So, when browsing online for a good waterblock, how do you know which is good? Which configuration of barb placement is better? Why do certain ones allow for lower temps than others? They seem basically like the same thing.
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post #2 of 4
Material - Copper is the most conventional/yields best temps
Not mixing metals - copper plate + aluminum top = corrosion
Flow - bigger barbs, more flow

Then there's a myriad of things companies to get the egde. internal flow tips, to aim the water pressure at certain cores, bowing the water block, pressure of the block on the IHS. And so forth.
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post #3 of 4
Quote:
Originally Posted by Pap3r View Post
I was just browsing through some blocks, I'm going to get a real wc'ing solution soon, once I get my new setups and a bit of money again.

I also noticed the topic about which is the best waterblock, and it really got me thinking. While looking at them on xoxide, I started getting more and more inquisitive, about what exactly makes a good waterblock. Browsing, you see lots of different shapes, models, brands, lots of different bar styles, and many different colors

Sure, they look different.. But how are you supposed to tell which is better, without relying solely on the brand name? One would assume that larger barbs would make for a better block, I think it would also be fair to think that one made of copper would be much better.

Construction of the block is also a key, but all brands will say they have extremely high quality construction. So, when browsing online for a good waterblock, how do you know which is good? Which configuration of barb placement is better? Why do certain ones allow for lower temps than others? They seem basically like the same thing.
I let Martin and others test them. LOL. Also, it's not all about the block, your pump, rads, and fans can have a huge difference in the amount of heat being removed.
    
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post #4 of 4
A good block transfers heat efficiently from chip to coolant........There are a lot of different ways to do that, some restrictive, some free flowing, if you stick with any of the newer blocks, Fusion, EK, MC TDX, you'll be fine, most are with in a C or two of each other anymore, the mount might give you a better temp from one to the other...If your running a CPU only loop you might want to use a more restrictive block for a little better temp's, on a multi-block loop you would want a more free flowing block..It looks like CPU blocks are hitting a top out right now, you can only get so close to ambient with WC'ing...

More flow will help some, I try to keep my flow close to 3gpm, I'm a freak though, but I would at least keep it at 1.5gpm or a little above to prevent laminar flow...Rads and fans will have as much to do with temp's nowadays as anything...
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