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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 1 of 5

Thanks to AVC for the product sample.
Since the popularity of the Pentium 4 CPU has dramatically increased, most heatsink manufacturers have launched new products designed for this processor. As you probably know, the newest Pentium 4 CPUs use a mPGA socket 478 form factor, so the old socketA/370 coolers are not compatible because of the new tightening mechanism which uses a cage around the socket. The Athlon XP generally runs hotter than the Pentium 4, although the latter runs at a higher frequency, so most Pentium 4 coolers are not very powerful and are not designed for overclocking, unlike most coolers for Athlon CPUs.
But there are a handful of manufacturers that do produce some very high-quality socket478 sinks, and one of these manufacturers is Asian Vital Components or AVC for short. I have the pleasure of reviewing their latest and best socket478 coolers: the Sunflower2 (Z7U7041), the Blizzard cooler (Z7H7059) and the copper cooler with no official name, just a P/N: Z7H2403. All these coolers are sold on OEM market and they're hard to find in retail stores. Anyway, they're all shipped in identical boxes and the only thing that makes the difference between these containers is the sticker with the model P/N:

Not a great box, but it's just as good as other manufacturers use for their OEM products. But I like the light blue color used. To protect the cooler and especially the base of the cooler from getting scratched or otherwise damaged, AVC ships these already attached to a cage identical to the one found on socket478 boards and used for attaching the cooler.

Notice how the cooler in the picture is holding to the cage. The little feet will create some distance between the base of the cooler and the bottom of the box and any other surface it's placed on. This picture brings us to the first cooler presented in this article, the Blizzard model.

The Blizzard looks really cool to me, maybe because of the black shroud that's used to hold the fan. But I'll get into that later, first I have to present the heatsink.

As you can see, the cooler is made out of a copper base and aluminum fins and according to AVC's site, it measures 87x68x39mm. The base measures about 65x45mm and it's 10mm thick, made entirely out of copper. Unfortunately, the finishing of the base is not a mirror shine but it's still pretty smooth to the touch.
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Last Updated ( Monday, 09 July 2007 )
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