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Asetek Liquid Cooled & Overclocked Apple Mac Pro

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Uploaded on Aug 17, 2010

Hi, Zack with Asetek here. In hopes of reducing noise on my mac pro, our engineers retrofitted it with liquid cooling. 2 low noise fans and a 120mm radiator are houses next to the dual pumps. Not only is it liquid cooled, but it's also over clocked. In this video, I'll also see how it compares to a stock 3.2GHz Mac Pro. I'm using a program called Zdnet clock. It only works on certain mac pros and only under OS 10.5. As it turns out, the memory clock speed is the limiting factor here. Not letting me go beyond 3.1GHz.

Now, I want to boot into OS 10.6 to run my benchmark. The over clock will hold on a restart, but a shut down will revert it back to its stock speed. So I'm in 10.6 now. I'll be using hardware monitor to view my CPU temps. I'll be testing with an ambient of 26 degrees Celsius. I have placed a sound level meter at a half meter from the front of the case. As you can see in the bottom right hand corner, it's hovering at 37.5 decibels while the CPU is at 100% load. Skipping ahead you can see the CPU temperature is, on average, 47 degrees Celsius and our Cinebench score is 7.45. That's a substantial increase over the 6.57 this machine scores at its stock speed. Let's see how the stock 3.2Ghz Mac Pro compares.

Right off the bat, we can see that the noise level of this machine is a lot higher than mine at 50 decibels. The CPU temperature is actually identical at 47 degrees celsius. Keep in mind that this machine is running at its stock speed and not over clocked. And the Cinebench score is just a tad faster at 7.46. So in the end, the liquid cooling and over clocking allows my system to run at nearly the same speed as the more expensive Mac Pro. At the same time, it does it with half the noise. Now that's thermal management done right.

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