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Mike Parker Mod

Looks neat, but the fan must be hidden somewhere in the metal duct? 😕 Useless system unless there's a fan SOMEWHERE in the picture!
 
I guess they expect the normal negative pressure inside most cases to draw air in??? there is no fan.
.bh.
 
It says this on the 'testing' page:

The large air duct allows for a unrestricted flow of air across heatsink. The case must have negative back pressure for this system to work. Negative back pressure can be achieved by using exhaust fans to blow hot air out of case. Cool air is drawn in though the intake ducts. If intake fans are used, make sure they are smaller or flow less than the exhaust fans.
Click to expand...

So, assuming you have backpressure, this should keep your video card cool. Seems a little iffy for a 9800Pro, though... those suckers put out a *lot* of heat under load.
 
Yes the VGA cooler is neat, but my question is about the Mike Parker Mod. Anyone know what it is?
 
Although this is a passive (no fan) heatsink, it does require airflow for proper cooling. The idea is to use the airflow through your case more efficiently. The rear mounted case fans extract the hot air from inside the case, the air inlets allow cool air to enter into the case. By strategically locating the inlet ducts and sizing them properly, a uniform stream of air can flow through the case. Efficiently utilizing every cubic inch of air passing through your case will allow you to run your fans slower while still cooling all the vital components.
Click to expand...

At the bottom of this page.

Great idea (NVidia did it first, though) but w/o a fan it is USELESS and I'd bet cools no better than the stock solution.

Now, if they would've put a low-noise slot-style fan in there, it would rock.

Oh, give me a break!
rolleye.gif
The manufacturer assumes (wrongly) that "proper airflow thru the case" will pull air INTO the duct on the card and across the HS!

You also need to look at how much air inlet area your case has. If you case has lots of ventilation slots, the air will follow the path of least resistance. This may lead to little or no air being drawn through the Mass-Air-GPU air inlet duct. You can correct this by covering some of the ventilation slots. Do not run your case with the cover open, as no air will be drawn through video card heatsink
Click to expand...

Proper airflow in a case flows from low, in front to high, in rear. In an "S" shape. Very little "flowing and moving air" actually hits the video card. It doesn't help that contemporary AGP card design has the HSF upside down, not allowing heat to naturally rise and escape. This design is crap. 😛
 
if i read that correctly, i think it meant with a couple of exhaust fans inthe back, the air duct will suck in cool air to cool the GPU, since there is a difference of pressure. forgot if it was called positive or negative pressure. have to make sure the spare pci slots are covered, and the unused 5.25 bays should be covered as well.
 
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