Silent 12 PWM 120mm Case Fan with Intelligent PWM control
Designed for advanced users GELID Silent PWM fans provide additional airflow by using Pulse Width Modulation (PWM) to automatically adjust fan speed according to the CPU load. The fan can be idled down and thus be much quieter. An intelligent IC had been integrated into the fan’s PCB to exploit your mainboard’s BIOS software. This technology is more efficient and convenient than using an external fan controller to adjust the voltage.
Each fan impeller has been individually balanced using the latest technology to guarantee steady, unwavering operation. To add to the silence fan mounts replace traditional screws and are made of high quality, temperature resistant, extra long lasting rubber and stop vibrations from the fan motor from travelling into your PC case.
How does PWM work?
Pulse-width modulation (PWM) delivers a digital signal. The advantages of using a digital PWM signal compared to an analogue controller are:
- PWM control calculates the appropriate cooling performance according to CPU and System temperature - PWM control of your mainboard will always adjust to the correct cooling - PWM control operates without generating any heat
The Intelligent GELID PWM Curve
Caption: The intelligent GELID PWM Curve is more effecient than the traditional red curve of other PWM fans
Pulse Width Modulation (PWM)
Silent Operation w/ Rubber Fan Mounts
Optimized Fan Blades
High Airflow & High Static Pressure
Long Lifetime (50'000 h MTTF at 40°C)
5 Years Warranty
- by David_W @Nov 10, 2008
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Needed a PWM fan and didn't want to pay a lot, this was on sale for around $10 so I grabbed it. Controlling it via PWM from my motherboard, it is silent at idle (~400rpm) and barely audible at 1,200rpm. I can hear it at 1,500rpm but don't let it ramp up that high as I do not need that much airflow.
Got 2 of these on sale for my newly build system. Packaging was good and easy to open. Installation of the rubber mount was tricky and painful with fingers only. Much easier and quicker method would be to use a needle nose plier - don't worry, the rubber won't break.
This is the fan to have. I'd been looking around for months before I finally decided to take on risk on this fairly unknown brand (at least to me.) The product I received is fantastic, it has turned lowered the noise level on my rig by about 5-10 db. The loudest part of my computer is now the WD black harddrive. I plan on buying 3-4 more for the rest of my case.
For about $5 a pop, you can't really go wrong with these, especially since they have a decent sleeving as well. It would be nice if these had screws as well as the anti vibration mounts, but most people have extra screws anyway.
I put this on my CM Storm Scout side panel. I didn't use the PWM since it's used by the Hyper 212+ CPU cooler. So I plugged it into a normal 3-pin fan header for full speed. I thought even at full speed, it's only 1500RPM and should be quieter than my other fans. Wow, isn't it noisy. It's noticeably noised than all the 3 Storm Scout fans and the Hyper 212+ fan together. I just had to take it off after using it for a day.
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