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Although the Prolimatech MK-13 design could be criticized for being quite simple, it makes up for this with sheer size and innovative design. The key to dispersing of a heat source effectively is through a large surface space, and the MK-13 has plenty.   The physical heatsink dimensions are 99.87mm wide, 205mm long, and 43.5mm tall. The heatsink weighs 555 grams without fans installed, making the MK-13 quite heavy. Though having said that, much heavier VGA coolers have passed through our lab.   At the base of the MK-13 we have a nickel-plated copper base plate, which is connected to a massive array of fins via six individual 6mm copper nickel-plated heatpipes. In total there are 76 fins that measure 100mm long and 25mm tall, while they are 1mm thick. The five copper heatpipes that pass through them are positioned 15mm apart for even heat distribution.    Now there are a number of ways that the MK-13 can be configured. Assuming you are using a single card setup there are four recommended options here. The first and most basic option is to just install a pair of 120mm fans on the heatsink itself. Those wanting to go a little more extreme can use four 120mm fans for a single graphics card by mounting the other two at the top of the graphics card.    It is also possible to mount a pair of 120mm fans on the graphics card with a pair of 92mm fans at the top. This is recommended for graphics cards with the PCI Express power connectors at the top, which would otherwise be blocked by a pair of 120mm fans. Alternatively, for graphics cards with top mounted PCI Express power connectors, a single top mounted centrally located 120mm fan is also an option.   Many of these configurations are also possible when using SLI or Crossfire technology, though Prolimatech also says that users can get away with just a single 140mm fan when using two MK-13 heatsinks. If this is true, then it would really make the MK-13 a must have item for multi-GPU users, as I can tell you a pair of Radeon HD 5870 graphics cards can make quite a racket when gaming.   The huge range of fan mounting options available on the Prolimatech MK-13 are impressive, though it is worth noting that the heatsink does not ship with any fans. Therefore the user is free to configure the MK-13 or MK-13’s as they see fit.  The package contains a total of 18 large RAM heatsinks, 4 medium RAM profile heatsinks, and 4 low-profile RAM heatsinks. There are 5 zip-ties included, along with a tube of thermal paste. The package also features a mounting system for Radeon and GeForce based graphics cards, along with a unique mounting system for the fans. |
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