Noctua NH-U14S Slim 140mm Tower Cooler

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The most critical aspect of installation is that the heatsink be securely mounted. A firm mating results in good contact between the cooler's base and the CPU heatspreader and more efficient heat conduction. Ideally it should also be a simple procedure with the user having to handle as few pieces of hardware as possible.

Our test motherboard is an LGA1366 model so it isn't supported by the NH-U14S out of the box. However, as you can see in the image above, the mounting bars have the necessary holes for both LGA1366 and LGA115x. We borrowed a backplate from the NH-D14 to make it work.

Noctua's system is notoriously easy to assemble, and the retention frame can be put together without any tools. Not having tiny screws to deal with is a big advantage.

The pre-attached mounting clip has spring-loaded bolts with a stopper at the bottom to prevent over-tightening. It's also advisable to confirm the screw at the center which secures the clip to the base is firmly in place.

Fully assembled. With the fan mounted in the position recommended by Noctua, the height of the total product is increased by 1 mm to 166 mm but you can slip the fan further down the heatsink so it doesn't stick out past the pipes.

Coolers like the Thermalright HR-02 and Scythe Ashura use an off-center design to minimize memory interference while the NH-U14S pulls it off simply by being thin. Clearance between the board the and the lowest outer fin is 46 mm.

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