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Best viewed @ 1024 x 768 and higher
The 3pin wiring coming off the capped water block is actually meant to power the built in pump inside the block. This is the smallest liquid cooling pump and block assembly that I've seen created for computer based cooling. The secondary block just cools your secondary GPU in the SLI system of your choice. The flow indicator and sensor is installed between the secondary block and radiator. If any blockages or abnormalities in fluid flow occur, then you definitely want some sort of warning so you can save your precious hardware. Installation and Testing: There isn't really any particular order for the blocks to go in when you get down to installation. In this test system, the hotter 7600 GT was used since it comes overclocked and tends to get very, very warm during a good 30 minutes of testing. The 8800 series are the most recent graphics cards that also hot enough to require more upscale cooling. It's usually been good for GPU temps as the fabrication processes have continued to shrink. Unfortunately, it's the higher core frequencies that also continue to rise despise the smaller die which brings heat back up. Because of this, liquid cooling is still the top cooling option if want to get rid of any noise and get more from your graphics card.
After a good solid hour of 3D intensive graphics, the graphics card did what all other graphics cards do best with stock GPU cooling. Get hot! This is no surprise given the nature of most GPU heat sinks. One thing that can help the stock GPU coolers do a better job is some Artic Silver 5. It never hurts to add some good grade thermal paste to your video card. But for today's testing purposes, the included thermal compound has to be used to give you the proper results. Overclocking the 7600 GT resulted in stable maximum, performance. This card will never reach its maximum overclock with its stock heat sink no matter what kind of thermal compound used on the GPU.
Temperature differences aren't very dramatic across the spectrum,
but it does indicate that the new blocks do improve performance. The benefit of
a cooler GPU is better stability especially when overclocking. One side effect
of too much heat can be sudden jittering and artifices either randomly or
sporadically showing up on your screen. Even if your card manages to stay up and
not crash or lock up, it does very little good in game or during your 3D
programs. This is
where a couple degrees can break or save your video card. Conclusion: Performance alone should appease any concerns you may have had concerning such a compact kit. The kit is intended to run any single, SLI, or Crossfire graphics card currently found on the market. It isn't completely suited to handle extreme overclocking, but can afford some head room if you feel so inclined. Essentially, the Viva Duo is a compact alternative to your own graphics card cooling fans and heat sinks. Temperatures keep respectfully cool and extremely quiet! A big thanks for Coolermaster for giving the power hungry users another good choice.
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