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Rakeesh
02-23-07, 12:43 PM
I bought two of the antec tricool fans from fry's electronics for $15 a pop, and they seem to make a slight rocking/clicking noise. It coincides with the LED's blinking. Is there any way to get rid of this noise?

I noticed when I try them with my P4 motherboard, which runs hotter, its fan control feature cranks them up which makes the LED's stay on solid, and there is no clicking. When the system is idle, they go back down and start clicking and blinking again. My core 2 duo motherboard never gets hot enough to do this on the other hand. Is there any way to eliminate this clicking/blinking while they are in a low power state?

AFAICT a solution would be to disconnect these from the motherboard and give them a direct 12v line, but then that removes the dynamic fan control features of the motherboard which I would like to remain intact.

Dazz
02-23-07, 03:42 PM
Well you have just said what the problem is, as with all LED fan when running at reduced power they turn hown the power which decreases the brightness of the LED and in some cases cuases electrical noise.

Rytr
02-23-07, 04:27 PM
I would rather have some constant noise rather than intermittent. Only thing I can think of is to disconnect the LED wire.

On the SilenX fans I reviewed the 120mm and 80mm back in Jan of 2005. Both are still running 24/7 and all the LEDs are still burning.

einstein_314
02-23-07, 05:40 PM
They better, damn things cost an arm and a leg. I think I have 15 120s in my case.
15 120mm fans?!?! what case do you have?!?

Rakeesh
02-23-07, 11:11 PM
Well you have just said what the problem is, as with all LED fan when running at reduced power they turn hown the power which decreases the brightness of the LED and in some cases cuases electrical noise.

Well, I actually didn't intend for it to be an LED fan, it was just the only 120MM fan they had when I was there buying my new case. I really don't care to have the LED's, because my case is hidden from view, and I prefer it that way.

Next time look at SilenX. Very quiet and very efficient.

I think I am going to stick with these tricool fans only I am going to find a non LED version. The reason I like these tricool fans is because that switch is pretty convenient. I can adjust the CFM willy nilly. The silenx fans you have to pick whether you want high CFM or low noise. I've had a silentx fan before, and wasn't impressed with that restriction.

Fry's electronics has a 30 day return policy so I can just wait until they have what I am looking for. I bought them B&M so its not as if I have to pay for any kind of shipping. For the time being I am going to just connect both of these to a direct 12v line so that they can draw as much power as they need. I have yet to see any of my temps get anywhere near critical even with these fans on their lowest settings.

Zelda_fan
02-24-07, 01:22 AM
best 120mm fans are the Nexus and Noctua fans. At least if you are looking for silent fans.

Rakeesh
02-24-07, 02:04 AM
Well keep in mind there is a minimum level of quietness you can get with your computer, depending on what kind of hardware you have. WD raptor 150GB drives without the window operate at a very quiet 32dB most of the time (the raptor x drives make more noise, at about 47dB.) And this is just from the platters creating that high pitched hum, the clicking sounds of the heads are even louder.

Having any fans that operate at fewer bels than this is pretty much moot because you are still going to hear the noise from that hard drive anyways.

Between my PSU, my GPU, and my hard drives, they aren't going to add any appreciable noise. At least, not subjectively anyways.
With that considered, these tricool fans generally operate at about 30dB at the highest setting, and I am running them at something even lower than their lowest setting with the ability to dynamically adjust as needed, which is good for where I live since during the summer my room will easily reach 90F, and those low CFM fans just won't cut it.

See this page to put the bel/decibel system into better perspective:

http://www.glenbrook.k12.il.us/GBSSCI/PHYS/CLASS/sound/u11l2b.html

A big thing with me living where I live is that I am trying to avoid producing much heat in the first place, because it really does drive up the utility bills here for the air conditioning. Therefore I do not overclock, (whereas before the P4 days I used to, but now it is just too uneconomical) and I do not buy more hardware than I need (e.g. an SLI setup which would produce tons of heat.) If it weren't for that, then I would probably consider nexus or panaflo fans. There is no such thing as a cooling system that gets rid of heat, it just dissipates it. Unless of course I had some kind of system to deliver the heat outside like most people have for their clothes dryer, but that is not a project I feel like messing with.

It's a very good thing that core 2 duo CPU's run much cooler than P4's as well. But it seems that these LED case fans were designed for a system that is really going to put extra juice in them to handle the heat issues. It just seems that I need to find some of these without the LED's, thats all.

BrianG
02-24-07, 09:54 AM
Not having any issues with my Tri-Cools. On the low setting, they pull about as much air and are just slightly louder than the Silenx. They just have a different tone. My old Silenx fans varied from fan to fan. I moved to the Tri-Cools because the SilenX fans start to get louder as they age.

Experiment with BIOS settings and see if you can improve the tone of the fan. Also, you could try sharpening the leading edges of the fan blades. Sounds silly, but it sometimes helps. Heh.

I just replaced a RAID0 with two Seagate 80GBs with a Raptor 150. It is louder on seek, but the 10k spin is not anymore audible than two 7200s that are considered nearly silent. My system is not silent, but it is very quiet, overshadowed by the slightest background noises. With music playing downstairs, I brought my brother upstairs to check out my system and he was shocked that it was already running as he could not pick it out of the background.

Also, if you are not OC'ing, try undervolting your memory and CPU.

lightman
02-24-07, 07:12 PM
best 120mm fans are the Nexus and Noctua fans. At least if you are looking for silent fans.

Seconded for the Noctua ones. Never tried a Nexus (although I heard they're really good), but the Noctua simply are the best fans I've ever tried. Amazing.

CaptNKILL
02-25-07, 04:34 AM
The tri-cool fans that came in my P180B used to click as well. They arent LED fans though. The clicking was definitely annoying but I think it went away over time because I don't notice it any more. I did move the fans around a bit though so that probably helped.

Also, the LED fan I stuck in the top of my case (I think its a thermaltake) is MUCH louder than any of the tri-cool fans. It makes an irritating whining sound even at the lowest speed setting and it isnt even a constant sound its a sort of fluctuating motor sound and it was really hard to get used to after having the nearly silent tri-cools in there for 4 months.

Rakeesh
02-25-07, 12:44 PM
Woa check these fans out:

http://www.newegg.com/Product/CustratingReview.asp?item=N82E16835185005
http://www.sidewindercomputers.com/scsf63cfms12.html

Fluid bearings...these are the same kinds of bearings that hard drives moved to in order to become quieter. Very nice airflow for the noise level. Just wish there was some way I could try before I buy. More airflow than I need and costs less than these tricool fans do.

hokeyplyr48
02-25-07, 01:53 PM
are there any quiet fans that have led's?
all i seem to see so far are the antec tri-cool ones.

Rytr
02-25-07, 02:03 PM
Silenx has LED fans but are much more expensive than the Tri-Cool fans. I have a Silenx 120mm as an intake and a Tri-Cool 120mm as an exhaust in my P160 case. Both perform well and both are quiet with minimal motor noise.

I have not experienced the noise previously described with the Antec Tri-Cool. If and when I do I will replace it unless someone comes up with another solution.

ArrowMk84
02-25-07, 02:33 PM
I've got five Tri-Cools in my case right now, all humming away quietly at high directly off the PSU.

I'm switching cases next weekend (CM Stacker 832) and I'm putting six new tri-cools in it. I'll post if those make any clicking sounds.

hokeyplyr48
02-25-07, 02:39 PM
haha that's the exact case i'm switching too and those were the fans i was thinking of putting in it. look forward to the info.
any stacker 830/evo/832 owners that know a good fan configuration? (like push, pull, inhale, exhaust, etc.)

lightman
02-25-07, 03:27 PM
Woa check these fans out:

http://www.newegg.com/Product/CustratingReview.asp?item=N82E16835185005
http://www.sidewindercomputers.com/scsf63cfms12.html

Fluid bearings...these are the same kinds of bearings that hard drives moved to in order to become quieter. Very nice airflow for the noise level. Just wish there was some way I could try before I buy. More airflow than I need and costs less than these tricool fans do.

Silentpcreview reviewed them (along with Noctua, Papst, Nexus, Antec and ARX ones) last November, check it out : http://www.silentpcreview.com/article695-page5.html#sflex

Long story short (but I suggest to read the review), the Noctua are the best ones, followed by the Scythe, then the Nexus, but they're all really good fans.

Zelda_fan
02-25-07, 03:30 PM
Woa check these fans out:

http://www.newegg.com/Product/CustratingReview.asp?item=N82E16835185005
http://www.sidewindercomputers.com/scsf63cfms12.html

Fluid bearings...these are the same kinds of bearings that hard drives moved to in order to become quieter. Very nice airflow for the noise level. Just wish there was some way I could try before I buy. More airflow than I need and costs less than these tricool fans do.

Scythe lies about their dB ratings.

Check out www.silentpcreview.com

Again, Noctua and Nexus make the quietest fans period.

lightman
02-25-07, 03:53 PM
Scythe lies about their dB ratings.

Everyone does ...

Noctua and Nexus make the quietest fans period.

Not completely correct. In the silentpcreview review I linked to, Scythe fans scored a second place, after Noctua and before Nexus... ;)

But, as I said, they're all three really good...

Rakeesh
02-25-07, 06:03 PM
Silentpcreview reviewed them (along with Noctua, Papst, Nexus, Antec and ARX ones) last November, check it out : http://www.silentpcreview.com/article695-page5.html#sflex

Long story short (but I suggest to read the review), the Noctua are the best ones, followed by the Scythe, then the Nexus, but they're all really good fans.

Yeah I read that just after I found them. They explained quite a bit about the noctua fans which I previously never heard of, and I hadn't heard of the scyth ones before then either. They said the scyth fans are just barely better than the nexus ones. The noctua fans are expensive and hard to find, the scyth ones are available at newegg for the same price I paid for these tricool fans on the other hand.

Rakeesh
02-25-07, 06:33 PM
I've got five Tri-Cools in my case right now, all humming away quietly at high directly off the PSU.

I'm switching cases next weekend (CM Stacker 832) and I'm putting six new tri-cools in it. I'll post if those make any clicking sounds.

I think this may actually be an issue with my motherboard. Supposedly there is some kind of fan control option that allows a greater range of control than most, and it defaults to allowing the fans at a pretty low speed which causes the motors to oscillate. I am looking into adjusting it atm.

john19055
02-26-07, 09:14 AM
The tri-fans that came in my Antec P-180 are real quiet even if I have them on high ,on low I can not even hear them.

Rakeesh
02-26-07, 10:11 AM
Yeah these antec fans might actually be pretty good, theres just a probability that the intel QST feature is causing them to be noisy since its power regulation method isn't something very common. Unfortunately intel doesn't allow you to disable this feature unless you have a utility that is only available to OEM's. How gay. I am going to try connecting them direct to the PSU later today and see how they perform.

hokeyplyr48
02-26-07, 02:52 PM
do all Intel boards have a problem with it?
does the evga 680i have it? cuz i know i don't have any noise on my amd board. and i was going to switch over to Intel by the end of the month.

Rakeesh
02-28-07, 12:01 AM
It seems to be an issue with the intel "Quiet System Technology." Normally it doesn't cause any issues, but since the newer chipsets and CPU's run cooler, then the fans go to really low speeds which results in the problem at hand.

It seems that only OEM's are allowed to change the QST settings in the motherboard. Intel is saying that they don't allow end users to do it since doing so would allow malware to turn off the fans causing a system overheat.

Supposedly the only protection they have is some kind of password based on your motherboards serial number or something. I am not sure why intel can't just allow the user to simply change the password.

Rakeesh
03-23-07, 12:01 PM
I received my Scyth fans yesterday and installed them earlier. They are pretty nice, they have much better airflow than the tri-cool fans on their lowest setting and make about the same amount of noise (that is, with the fans being plugged straight into the 12v cable instead of the motherboard, thus no clicking.) But its a different kind of noise though, doesn't really stick out unless you know what you are listening for.

In retrospect I probably should have gone with the F model since its lower RPM and I don't need as much air flow as these provide, but I am satisfied with them as my computer is still very quiet. My WD Raptor makes more noise than these do so its not bad at all. These fans no doubt have the highest airflow vs noise of any fan I have ever had.