From all angles
Cooler itself is quite big. 105 mm x 94 mm x 70 mm to be exact. It is also 100% copper so the material itself should offer good heat transfer properties. Weighing little over 860 grams with the fan attached is not a joy ride for a motherboard's mounting mechanism. While Cooler Master offers a good bundle of mounting accessories, you should always remember to be carefull when moving the setup because of this added weight.
There are 23 fins on the base part of the cooler and 31 on the top. With 2.5 mm gaps between the fins, air should be relatively free to flow around the fins, removing the heat from them. This should also reduce the amount of dust that will start eventually build up between and on top of the fins.
With four heatpipes, Cooler Master tries to ensure best possible heat transfer from the base to the top part of the heatsink. From here you can also see the mounting assembly for the fan. It is nearly identical to what Cooler Master used with Hyper 6. This is also one place that would have needed rethinking. With holes just a little wider than the diameter of the heatpipes the fan mounting bracket may start to vibrate and make sound against the heatpipes. This was the biggest mistake with Hyper 6 but it doesn't seem to affect the Hyper 48 to the same degree. Perhaps this has something to do with the different fan and its specs. In the end, the whole problem could be solved completely with bigger holes and slightly different mounting of the bracket itself. Perhaps it could be fixed by using screws like the other end of the bracket. Just a thought...
From here you can see how the heatpipes curve from the base. Fan mounting is "hanging" from the heatpipes but like I pointed out, with silent operation in mind, perhaps this should be thought again. Heatpipes are tightly packed on the base allowing the heat to evaporate the liquid inside the tubes with good efficiency. As you may remember; Heat evaporates liquid inside the tubes. Vapor then travels along the tube to the top part of the cooler. Vapor cools down, releasing the heat energy to fins. Liquid then flows back to the base. Fan moves the air around the fins to remove the heat stored to them and the whole cycle will start all over again.
Copper base with 9.5 mm thickness should provide good mass to gather heat from the CPU core. And like the label says, remove it before using the cooler. And no, not everybody remembers to remove it so stop laughing! :)
While the base itself isn't polished to act like a mirror, it is still very smooth. There are no visible scratches so the base should make good contact with the CPU core. What is that hole with threads next to the core circle? Read on and you'll find out soon enough.
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