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Cooler Master JetFlo disappointment

Valhallatier
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So a while ago, my CPU fan started rattling. so i changed my Hyper 212X fan to a CM jetflo white LED (same single-push config). ...and a problem, the fan screw/screw hole is proprietary, and it doesn't fit the heatsink retention arm  -_- but i manage to 'ghetto' solve it with other screws from some leftover screw.

Boot up my pc, first thing i notice is that ITS LOUD, but look gorgeous!

 

but oh my, my Temps are ALL OVER the place! The delta is so big compared to my previous stock fans! I thought its my heatsink installation error or bad thermal paste, but NO!
slap in my previous stock fan and my temps is back to normal.

i would describe the fan as "Aesthetics over Performance", its because the fan housing is so slim and the hump at each screw hole, makes a large gap from the heatsink to the fan, therefore not making direct contact. And the LED, why do they put it inside the fan :wacko: doesn't it make the insides of the fan hotter? oh yeah the box, its all BS all over the place...

overall this fan is a paperweight, + that i already RMA it twice (because one screw hole is on the wrong orientation, return it, got the same problem again...)
I'm honestly disappointed, Cooler Master quality control is serously coming down.

When 2 things meet each other, Quantum stuff happens.

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overall this fan is a paperweight, + that i already RMA it twice (because one screw hole is on the wrong orientation, return it, got the same problem again...)

Could you not just.. turn the fan around?

 

Pointless because of all the other problems you had but it's one less thing. :D

.

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Could you not just.. turn the fan around?

 

Pointless because of all the other problems you had but it's one less thing. :D

its manufacturer defect, if i turn it around it will be in pull config.

When 2 things meet each other, Quantum stuff happens.

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Posted

its manufacturer defect, if i turn it around it will be in pull config.

Still works.

.

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Hmmm...I'm used two JetFlos in push-pull on my CPU cooler and I have yet to experience any issues like what you are experiencing.

The LEDs inside the fan won't be a heat issue. What is the forward voltage for common LED's? Few Volts. The power dissipation is going to be in the milliwatts.

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So a while ago, my CPU fan started rattling. so i changed my Hyper 212X fan to a CM jetflo white LED (same single-push config). ...and a problem, the fan screw/screw hole is proprietary, and it doesn't fit the heatsink retention arm -_- but i manage to 'ghetto' solve it with other screws from some leftover screw.

Boot up my pc, first thing i notice is that ITS LOUD, but look gorgeous!

but oh my, my Temps are ALL OVER the place! The delta is so big compared to my previous stock fans! I thought its my heatsink installation error or bad thermal paste, but NO!

slap in my previous stock fan and my temps is back to normal.

i would describe the fan as "Aesthetics over Performance", its because the fan housing is so slim and the hump at each screw hole, makes a large gap from the heatsink to the fan, therefore not making direct contact. And the LED, why do they put it inside the fan :wacko: doesn't it make the insides of the fan hotter? oh yeah the box, its all BS all over the place...

overall this fan is a paperweight, + that i already RMA it twice (because one screw hole is on the wrong orientation, return it, got the same problem again...)

I'm honestly disappointed, Cooler Master quality control is serously coming down.

Looking at the jetflo I wouldn't of said that they are the best design for heatsinks and I wouldn't swap a fan for the same quality, LEDs don't generate that much heat and 4 on the outside would generate the same as 4 on the inside.

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  • 2 months later...
Posted

I had the same problem, Make sure that in the BIOS they are on the PWM fan setting, not the DC setting.

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