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Cooler Master Hyper D92 Review


Cooler Master Hyper D92 Closer Look:

While there are similarities between the older N520 and the new D92,  the refinement of the D92 becomes clear when you examine the D92 up close. The first thing I notice, besides the offset fans, is the fan attachment method. I like the fact that I don't see any metal clips to retain the fans, which we will talk about a little later. The black metal top cover has the Cooler Master logo in the center and adds continuity between the black fan frames. The copper heat pipes also stand out, and it looks like they go all the way to the bottom of the base - and that is exactly what they do.

Now let's go over Cooler Master's Accelerated Cooling System (ACS). It basically involves three steps. The first step is the Direct Contact heat pipes, which provide surface to surface contact for accelerated thermal transfer. Step two is the High Density Fins, which consist of a tightly packed fin structure for accelerated thermal distribution. The third and final step is Offset Push-Pull Fans, and this consists of offset 92mm fans that eliminate airflow deadzones while the push-pull configuration accelerates air movement and heat dissipation.






The front and side profiles give a hint to the fairly small envelope in which the D92 lives. At just 146.4mm tall and 128.9mm wide, the D92 is compact, but still manages to use two fans. The front view shows how the fan covers the fin stack, with the left side of the fin stack protruding slightly past the fan with the fan clip neatly wrapping around.



Here we have two of the major design improvements. The first being the four Ø6mm DC (direct contact) copper heat pipes. From the Cooler Master website regarding the direct contact, "It provides higher efficiency and better dissipation effect than general metal base." The N520 did not use direct contact - it had five heat pipes that passed through the solid base, which is a common method used today. The heat pipes pass through the base and are typically soldered or brazed (depending on the melt temperature of the filler metal) to the base to improve heat transfer. Sometimes the heat pipes are swaged (think of something being squeezed or pinched) into the base.

Cooler Master has used the direct contact method successfully on a variety of coolers so it is no surprise to see it on the D92. The D92 uses an extruded aluminum base, and the extrusion has some additional cooling fins incorporated into the design. There are two ears that stick out to the side and provide a home for the spring-loaded mounting screws.

The mounting system is a welcome improvement as it is much easier and faster to install. The retained spring-loaded screws take the frustration out of the last step of connecting the cooler base to the motherboard.



The two 4-pin PWM 92mm fans have identical plastic mounting frames screwed to each fan housing, and there are rectangular rubber pads at each corner. The pads partially cover the screws and are used to reduce vibration. The fans are both 4-pin PWM and I really like the way the fans easily clip to the fin stack. I can have both fans off and on in just a few seconds, and they are firmly secured to the stack.

Most fans today use thin metal fan clips that lock into a groove or similar feature formed into the fin stack. Sometimes you think they are secure when they are not. More than once I have had one pop off and it is scary to have what is essentially a loose metal wire bouncing around on my motherboard or on top of my GPU. Fortunately it has only happened when the power was off, but it could have been disasterous if the power was on.

The fan mounting system used on the D92 eliminates that potential problem. While the plastic clips are thin, I did not get the feeing that they were flimsy or ready to break when I detached or reattached the fans.



At first glance the fans appear to be identical, and for the most part they are, with one exception. Since the D92 uese the fans in a push / pull configuration, the impellers are reversed between the fans, meaning that when you swap the fans, you swap the air flow direction. Where this comes into play is if you like to have the Cooler Master logo on the top plate aligned (so you can read it) with your motherboard orientation, you can install the fans to move the air in the proper direction. The fans are rated at 54.8CFM at full speed, which is a hefty 2800 RPMs.



When we strip the fans off and are down to the basic heat sink, you can clearly see the offset. The top cover neatly disguises the termination points of the heat pipes and it is firmly attached to the fin stack. You get a feel for just how small the actual fin stack is after you subtract the fans. Even with two fans, I wonder if the heat sink has enough mass to effectively pull the heat away from the CPU. Manufacturers struggle to find the balance between cooler size and capacity. The trade-off being the capacity of a large, heavy, and usually obstructive cooler  versus a small, lightweight cooler that offers RAM clearance and quick installation. The high fin density accelerates the thermal distribution.



The Intel installation involves a minimal amount of preparation, which simply involves placing some small round adhesive-backed washers on one end of the four round metal standoffs. The washers come on a square white liner and you peel each one off and apply it to one end of the metal standoffs. I have done one in the photo below. The plastic base plate has four adjustible studs that you slide into position depending on your socket. The clips are detented so they stay in place.  The plastic base plate is ready to install from the rear of the motherboard.




After you carefully push the four studs through the holes in the motherboard, you screw down the four round metal standoffs, making sure to screw the washer end toward the motherboard surface. Next, you are ready for the two flat side brackets that are each held down with two thumb screws. After the side brackets are in place, you are ready for a dab of the included Cooler Master thermal paste on top of the CPU.



If you haven't popped the fans off yet, now is a good time. You have to remove them for access to the two mounting screws on the cooler base. The two spring-loaded screws are retained to the cooler base, so you don't have to worry about dropping them or chasing them around when they fall into the bottom of your case. The new mounting system is much easier and faster, and the fans simply snap back on.



And now everything is installed. All that is left is to add the PWM fan splitter and plug in the fans. There is plenty of room around the cooler. You can see that Cooler Master made sure that RAM clearance is not an issue with the cooler mounted in the orientation shown. The cooler can be mounted 90° from this position, but you may run into some RAM clearance issues on the first couple of slots if you use high profile (tall heat spreader) RAM. Low profile RAM should be fine in either orientation. So let's put the heat to it and see what it can do.

  1. Cooler Master Hyper D92 Review
  2. Cooler Master Hyper D92 Closer Look (Continued)
  3. Cooler Master Hyper D92: Specifications & Features
  4. Cooler Master Hyper D92 Testing: Setup & Results
  5. Cooler Master Hyper D92 Conclusion
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