Nofan CR-95C Copper IcePipe 95W Fanless PC Processor CPU Cooler

Using a Corsair Vengeance case (because of its upper ventilation), an i5 4440S Haswell processor, a Rosewill SilentNight fanless power supply, and an Intel S3500 SSD, the NoFan CR-95C was the center of cooling for a high-powered system with zero moving parts.Cooling performance:While in normal use, the CPU stays about 10C above room temperature.Using OCCT, a tool designed to maximize CPU heat beyond what would happen even in during the heaviest real-world usage, the highest core temperature reached was 73C, but it stabilized around 70C -- well below the design limit of 100C.70C is lower than the load temperature of many coolers that INCLUDE fans!Installation:Installation requires removal of the motherboard (for existing systems) and is a little tricky. The instructions don't mention whether the tension springs go above or below the heatsink itself. I put them above, just below the screws. Seems to work fine.The weight of the unit is much lower than what I would have expected. A conventional heatsink of the same size would weigh twice as much.This heatsink DOES block the first PCI-Express slot on some motherboards (some boards have no slot in that position), but otherwise I had no problems fitting it in a MicroATX case. I bought low-profile RAM, but low-profile RAM is NOT necessary if you install the RAM before the heatsink. With the low-profile RAM, however, you are able to install/remove RAM from under the heatsink. Because of the open nature of its design, you can even see what you are doing easily through the space between its small copper tubes.Any MicroATX or larger board should be compatible. Just ensure that your case doesn't position anything within about 80mm of the CPU. Some cases, for example, position the power supply above the CPU to save space. This strategy won't work with any large heatsink, let alone the sizeable CR-95C.One final note: This is the first and only fanless heatsink to pass SilentPCReview's tests without the CPU overheating. Google "spcr nofan cr-95c review" or similar.

Didn't fit my motherboard. I didn't even take it out of the box. Measured from the center of the existing CPU fan to the edge of the video card -85mm. OK, that means that the heatsink would have to be smaller than 170mm in diameter. The actual diameter of the heatsink is 180mm.Luckily, there was a clear plastic display bubble, and I was able to measure the thing's diameter without opening the box, so returning it should be painless.

It's a gorgeous fan, but I have no idea how well it works because I couldn't fit it over my RAM. I measured all of the other specs but I had no way of measuring how far the RAM was from the bottom of the CPU Cooler. It turns out my RAM is just too tall and wouldn't allow the CPU Cooler to sit properly against the CPU.I could have probably avoided the problem by going to their website and looking buying a compliant motherboard, where the RAM slots would be far enough from the CPU as to give enough room for the CPU Cooler.Pictures don't do it justice--this heatsink is gigantic!

It's not the easiest thing to install, but it's not terrible either. It's very good at keeping the CPU cool, and with no moving parts, so it's not going to fail on you. The one downside is that it basically requires low-profile RAM, if your RAM has a heat spreader, or no head spreader on the RAM. Also, it's not really compatible with the PCI-E slot closest to the processor being used on a standard ATX motherboard.

Im using it with Intel I7-4771 with totally fanless psu and case. and it works perfectly.My system isSeasonic SS-520FL 520W Fanless 80 PLUS PlatinumIntel I7-4771 3.5 3 LGA 1150Gigabyte G1.Sniper Z87 LGA 1150Crucial Ballistix Tactical Low Profile 16GBNoctua 140mm Premium Quiet Quality (Not running just sitting there just in front of that cooler at the back of the case coneected to a fan controller)CPU temp is about 45 Celcius on idle and dont exceed 60 Celcius in daily use. I actually dont bother to have over 80 Celcius degrees for over 15 years and nothing bad happened yet. In high CPU use with this system, like having 100% CPU usage continiously for about 3 minutes CPU reaches over 90 Celcius and it begins to give warning beep as i adjusted it from the mobo bios so. It barely touches 100 Celcius if you insist to use the CPU 100% and even though nothing happens. Its now almost a year im using my system in this fashion and nothing bad happened yet.I turn on my case fan which is directed to this heat sink if i want to use the computer with high CPU power. Then it stays around 80 to 90 celcius degrees forever.If im not running any fan and when it is around 90 degrees celcius and CPU running at 100% if i terminate the process temperature decreases around 70 degrees immediately and becomes stable around 60 degrees in a couple of minutes. That means this giants cooling capacity is perfect but needs a little bit airflow to maintain it with high energy use. .

I never thought I'd be able to run an i7-2600k CPU fan-less, but this cooler works like a charm. Even my power supply is fan-less and I have a GTX 980Ti graphics card, but my system runs very quietly. Even in the blistering heat of June in the South, this maintains the CPU in Windows at around 45 Celsius. With a game like Star Wars: the Old Republic on max settings, it stays around 60-65 Celsius.Nice cooler, but a warning: It's very large! Most motherboards will require low-profile RAM.

Way too big. I had a big case and it still wouldn't fit.

not very effective.. temp goes high on heavy use with AMD FX