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be quiet! BK008 Pure Rock Slim - CPU Cooler - 120W TDP- Intel LGA 775/1150 / 1155/1156 & AMD Socket AM2(+) / AM3(+) / AM4 / FM1 / FM2(+)
- High cooling capacity for this category, at 120W TDP
- Three 6mm heat pipes with aluminum caps carry heat to cooling fins for high performance
- Compact design saves space, making cooler compatible with a vast array of equipment and possible installation configurations
- Full configuration of RAM memory banks in PC cases with limited space
- Fan blades are airflow-optimized to reduce noise-generating turbulence
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This cooler looks awesome and works great so far.
Now the Cons
Although it may look awesome the install was a total joke. I have installed hundreds of cpu cooling fan without the headaches I had of this one. First the instruction manual is a joke and isn't helpful in the least. I had to go on youtube to watch their video to even get a basic idea but that still was a joke and only shows 1 Intel installation and 1 AMD installation but not for each different socket type, And to find a better set of instructions on the internet is like pulling teeth. Next Be sure you tape your back plate on or else the problems arise even farther. The little washers that they provide and need to be installed for AMD were a nightmare to keep in place. Don't forget going by the video and instruction manual you need the thin washers and then the riser spacers together which I couldn't understand why they didn't just make the riser spacers that extra length to compensate for the washers to begin with. Well so I thought until I got to the point where I had just finished installing everything, Then noticed the whole unit just wiggled and moved around on the processor with ease. So I then had to remove everything to remove the thin washers. Then you have the long mounting screws that for the life of me wouldn't screw tight no matter whats done. You will need a shorter screw driver with a proper sized phillips tip or else they will strip out easily. Even then it's bound the mounting hardware will still be loose. The aluminum mounting hardware screwed down tight then after all this is when I realized it's better to remove the thin washers to keep a proper tight fit to sit the shroud down onto the processor properly or else it just wiggles all over the place.
At first glance of taking this CPU Cooler out of the box I was going to purchase another one for an AM4 system I just built but now after this crazy nightmare of an install I wouldn't recommend it to my worst enemy.
The old LED was near impossible to install onto the AMD clips and even more difficult to remove. I thought I would destroy my motherboard taking it off. The be Quiet!, on the other hand, has the lever-type mounting that you simply flip over to lock and back to release. NEVER get a unit that just clips on both sides.
The El Cheapo cooler actually ran idle in Windows 10 at 57 Celsius in an air conditioned room. It was a 3-pin and ran from about 1700 to 2100 rpm. running Unigine Heaven benchmark, it reached 94 Celsius! Not as bad as the 99 Celsius it had reached running Prime95 before I stopped the test. For you non-converters, this is boiling water temperature!
So then I installed the be Quiet! after cursing the El Cheapo one more time and the results were a bit better:
Idle temps in Windows were a cool 34 C and the fan was below 1300 rpm. Even running the same Heaven benchmark, it peaked at 56 C, a full 38 Celsius (100 Fahrenheit) difference. It was still very quiet, fan speed remaining below El Cheapo.
I would have given 5 stars but the instructions, though in a lot of languages, was very poor. It does not explain how to orient the heat sink, how to orient the clip, or how to place the fan or how to attach it. It simply tells you to put the clip on, mount it to the CPU and attach the fan. These are not instructions. It is necessary to orient the heat sink properly onto the CPU. If you are using a tower case, this should be with the logo text reading right side up. If you look at the fins, one side is higher from the motherboard than the other side. This should be facing up in the case because the fan must go on the taller side.
Not only this, but the clamp that you put on the base MUST be facing the proper way. It has to inserted with the lever on the top side an the plain notched piece must be on the lower side. IF you don't do this, the fan will not fit because it will hit the lever.
Since they don't explain how the two clips actually mount the fan, I will try to facilitate. Face the "pretty" side of the fan away from the heat sink and hook the spring clip to the holes in the very outer part of the fan mounting holes. The little grip tab on the clip will face outward from the heat sink. Now the thin clip must go between the fins of the heat sink and hook over the wide channel in the middle of the heat sink. The top of the fan frame should be flush with the top of the heat sink. Pull the tabs of the clips upwards (in a tower) so the hook into the channel. I'll provide photos for more detail.