Gigabyte G-Power 2 Pro CPU cooler

Cooling
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PHYSICAL DETAILS

The G-Power 2 Pro combines a polished (and nickel-plated) copper base, five thick heatpipes, and a big 9-bladed fan in a plastic shroud that blows into lots of fins. Even from the first photo, it's clear that these are thin fins, not the aluminum extrusion used in the Gigabyte Volar heatsink reviewed previously. The fan has a 3-pin header instead of the 4-pin PWM header that's showing up on many integrated fan coolers these days.


Lots of chrome on this big heatsink.


A variant of the 5V - 12V splitter with 3-pin fan outputs introduced by Zalman years ago.


The two-sided, full color, 8-language instruction sheet.

The photo below shows that the G-Power 2 Pro is angled, like the Volar. The fan does not blow straight down, not does it blow parallel to the motherboard, but rather, somewhere in between. The point is for the airflow to help cool motherboard components around the CPU and be effectively evacuated by the back panel case fan. Just from a visual assessment, there's little doubt that these aims would be achieved as long as the fan is generating enough airflow in a typical case. The curve of the heatpipes as they rise up from the base gives the cooler a unique shape. (If you could imagine it without the chrome plastic fan shroud, it would resemble some kind of futuristic lounge chair... designed to inflict pain with cutting edges?) You also get a sense of just how huge this cooler is.


Shown here with user-friendly, locking mounting clip for AMD CPUs.

This view of the cooler laid face down on its fan may give a better sense of its size. The spacing of the fins is fairly tight, but the distance the air has to flow between the fins is fairly short, perhaps an inch, so it might not pose too much impedance for a slow fan. Because of the curvature, however, the spacing between the fins is slightly tighter on the fan side than on the visible side. Also because of the curvature, the fan does not sit flush against the fins. There is a gap of at least 2 cm at the center between the fan and the fins. We can conjecture that especially at high speed, the combination of this large gap and the tight spacing on that side of the bank of fins could cause some serious backpressure, which is not good for noise or cooling.


Note the even spacing of the heatpipes.

The image below shows the 775 socket mounting strips screwed on the base. There are two steel bars, each with two short threaded shafts on the ends. You'll see how these work in the next section on installation.


Set up for socket 775. The base is shiny smooth and flat.



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