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Abstract: Improving on the original Tundra heatsink, AVC have increased the size of the fan from 60mm to 70mm, enlarged the height of the copper fins to 28mm and added a little plastic fan guard.
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Page: Close up look at the heatsink
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AVC Tundra 2 All
Angles |
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The Fan: A plastic translucent
fan grill protects the fan intake from loose wires, and blends in so that
it is almost invisible. The fan here uses hydraulic bearings which are supposed
to increase the useful life of the cooler, which is listed at 35,000 MTBF.
The fan connects via a 3-pin fan header on the motherboard and
is held in place by four machine screws. |
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Top: If you're thinking about dropping in a newer, or larger 70mm fan,
the
first thing will be to find screws with the relatively tight pitch used
here (M3-P0.5). The two stainless steel posts
are held in place by small copper rivets at the base. The clip is really stiff. Even though it
has a small thumb tab we had to use a pair of pliers just to help engage
it. |
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Side
A: The skived fins always
have a very clean side, and bumpy side to them - this results from the process and is unavoidable. Each pair of fins is 26x28mm square, with a scant 3mm distance between the base of the fan and the tips of the fins. As we mentioned before, the clip is tool free, but very, very stiff.
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Side B:
The first
thing that we
noticed when looking at the Tundra 2 is just how
thick the base is. At just under 6mm, it is an improvement on the original. The area where
the clip fits in is 4mm thick, and the relatively flexible sides where the stainless steel fan
mounts attach are 2mm thick. Each fin is 0.3mm thick and spaced just over 1.0mm apart. |
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Heatsink Base:
The base of
the AVC Tundra 2 has been sanded to give it a slightly textured surface (it is fairly smooth, but
looks rough). Flatness is good, but not perfect, as the sides of the heatsink rise
up a little. Overall, the base where the processor comes in contact is pretty
flat though. |
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