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VisionTek Radeon R9 290 Video Card - Circuit and Overclocking Guide

By: Steven Bassiri | Guides | Posted: Sep 13, 2014 4:18 am

GPU Cooling




The CPU heat sink is held in place by four screws, and features three huge heat pipes, which attach to aluminum fins at three different heights, spread out evenly across the fins. The protective backplate also acts as a heat sink. Two fans provide cooling power, and at full speed they are powerful, yet noisy; however, not as noisy as the standard AMD blower fan.




The GPU, Memory, and VDDCI VRMs are all cooled by their own aluminum heat sinks, attached by plastic pushpins. As you can see in the first image, they are attached, and the second image shows them detached. Each memory module is also individually cooled by its own heat sink, attached by adhesive tape.




There is a very large back plate on this GPU, and it is connected by screws to the PCB. There is a very large thermal pad, which should provide decent cooling to the backside of the PCB; it is attached exactly opposite to the main GPU's VRM to cool the VRM through the PCB.

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