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AVC 3x P4 Heatsink Roundup |
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Written by Alexandru Spataru
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Sunday, 01 July 2007 |
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Page 3 of 5
Besides the fan, everything else about this cooler has a copper color/shade. The heatsink is entirely made out of copper and has a very original design.
As you can see, the heatsink, measuring 83x69x33mm, is covered by a shroud to hold the fan in place, but this time the cover has holes in it for better airflow. Even though this cover seems to be made out of copper, it's not. It's just anodized aluminum and only looks like copper. No point in adding to the weight of the cooler by making the cover from copper, aluminum is lighter, plus, the cover does not have any role in cooling the CPU.
The base of the cooler measures about 50x68mm and has a strange texture. I'm sure it's copper and it's very smooth to the touch, but it just looks weird. When I took the cover off, I was surprised by the design of the base this cooler has, as it's very original and I think it's also very ingenious.
Unlike most coolers, which use a simple plate as base, this AVC model uses a base shape like a prism. Here's how AVC's site describes this heatsink:
- All copper heat sink for its superior thermal conductivity.
- High density fins to maximize the surface area.
- Wedge shape base so it is thick in the center for good heat spreading and thin at the ends to reduce the weight.
- Wedge shape base to direct air flow outwards to flow resistance.
- Venting from sides and bottom to maximize the air flow.
This new approach should improve air circulation through the heatsink, which can only mean better temperatures.
The fins, 44 in total, are also made out of copper and are extremely thin. They're soldered to the base for better heat conductivity. This heatsink is very much like Thermalright heatsinks, except for the wedge-like base, so the heat transfer between the base and the fins should be very good but not as good as in the case of skived heatsinks. We shall see later on how well this cooler, as well as the others, perform.
The fan used for this model is the same as the one used on the Blizzard cooler, 70x70x15mm, 4200RPM and 34.947 CFM airflow. And what do you know, it's equally as loud. The same type of clips are used as well. Some time ago, AVC released their biggest hit, the Sunflower cooler. Because of the innovative design and excellent performance, it quickly became very popular among overclockers, being one of the best P4 air coolers. And here is it, the successor of the famous Sunflower, the Sunflower 2:
As far as I can tell, the only difference between the Sunflower and the Sunflower 2 is the fan. The original Sunflower had a 70x70x15mm fan, rated 3800RPM and 34CFM, while the Sunflower 2 has a new model:
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Last Updated ( Monday, 09 July 2007 )
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