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SilenX: the data and findings thread - Page 17

post #161 of 190
Thread Starter 
Quote:
Originally Posted by Znth View Post
Right, according to that if you were at ambient temps with Silenx fans, then you "tested" 30million CFM fans on the same loop and were at ambient also, then you would have to say they perform the same which is just ridiculous since they potentially dissipate much more heat.

A valuable test doesn't just keep variables the same, it also controls those variables in terms of the effects they have on the criteria of judgment.

I'm all for shutting up now and letting the man do his work, as like any benchmark here it's still interesting to me.

I know you think yourself erudite--but being clever with words is of no use here.

The test bed is a Q6600 overclocked to 3.2. It is making heat. The fans are dissipating it. That's all we got. You want to run your own test to your own criteria with your own fans and your own test gear please do so.
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post #162 of 190
Thread Starter 
This fan is truly silent--the quietest of all--even the FN122 which was quiet except for an annoying XZZZZZZZZ click in the bearing/motor.

It also has the lowest cfm rating which may account for it only cooling to 49C-50C average

Still and all for a dead silent system this would be a great fan. I am glad I now have one to re-roder for use as case fans and such as it is very nice indeed. Quieter even than my beloved Nexxus Silent fans I have had for many years and keep re-using.

At this point it is about 49C most of the time and fluctuates to 51C--I put this in the same cooling group as the FN122.

If silence is a priority and you still need better cooling than an FN122 this would be a good bet.

The next fan is an AC Ryan in the 70 something CFM range...I forget...I got it a year ago to do the V600 mod for the case competition. It pushes hella air and makes a racket--but looks phenom with UV reactive red plastic and UV LED in the tranparent frame...never seen a fan like it...

Should do some good cooling for all the noise it makes--let's see.
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post #163 of 190
Thread Starter 
I was pleasantly surprised by this fan when I bought it a year ago--I wanted it for looks and thought that the CFM rating was prolly optimistic--but it pushes a lot of air.

So far it is keeping the temps to 46-47 and I will let it cook a half hour to see what gives.

While cleaning I found aPanaflo Medium and a Nidec 130cfm server fan... later I will throw those on--the Nidec is by far the most powerful fan I have to test. I guess I will have to crank up the speakers for that one..

The AC Ryan is loud but not whiney so it is pretty tolerable for a loud ass fan.
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post #164 of 190
Thread Starter 
At 46-48C the AC Ryan is a solid perfomer, on par with the SilenX 90cfm. This one of the few so far that gets dips into 46C. The San Ace would occasioanlly dip to 44C,,,which is hard to log but seems toindicate the "headroom" of cooling power even though the system is at it's 47-48C threshold regardless of what fan I have applied. No doubt a more sophisticated tmperature log would be of some value wo show the speed of these climbs from idle... I just have not got the time at the moment.

SO I give the AC Ryan a thumbs up for producing decent temps without a terrible noise...though louder than most it is not a whiney loudness and is somewhat bearable.

More some time tomorrow... I am beat.
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post #165 of 190
I just installed one of these as a rear exhaust fan in my Armor and find it to be a great fan. It certainly pushes a heckuva lot more air than the stock Tt fan and the same over a Antec Tri-cool as well. Besides that the fan is far quieter and looks cool too. Of course this is all subjective but as an end user I'm more than happy with this fan. I'll be using these in all over the place when I start modding my case. I may even try a few different combo's on the Ultra 120 extreme I just ordered too, I'm wondering how a push - push set up might work. I see a case mod, an air OC, and a phase OC And Silenx fans in my future. Thanks for all your hard work Cyberdruid. Rep+ to you.

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post #166 of 190
Quote:
Originally Posted by CyberDruid View Post
......

I have been the same CyberDruid since day one...nothing new here. When Pook started his rant againt them without even PMing me I just lost interest in being a merchant here of SilenX fans. He had effectively used his wpersonality and opinion to poison the well against perfectly good fans.

.......
I stated my opinion. I added my temp differences using different fans. I stated how I was ONLY disappointed that the price was outragous to tie/1-3C higher with a $5.99. Other than that, I said I loved the fans. In the same thread as mine, you can see that quite a few other people found the same things as I have. (That the fans don't live up to listed specs.)

Vapor also mentioned that the 90CFM flavors are in reality the mid 60's -- marking up 30CFM (sound is arguable) and raising the price is justified?

http://www.xtremesystems.org/forums/...&postcount=241

Quote:
The 120x120x38 that claims 90CFM pushes 60CFM in my tests, while the 120x120x25 that claims 72CFM pushes 55.9ishCFM in my tests. They seem pretty quiet and undervolt fairly well (no extraneous noise). BUT, the motors get bloody hot....much hotter than even the monster Delta 190CFM EHE. They're aesthetically pleasing, though very light....kinda feel cheap because of the lack of weight. They are absolutely not magic fans.
In it's defense, which I also mentioned in my "rant" topic, I also said they were good looking and were pretty good quality, but that's not usually why people buy fans.

<chozart edit>
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post #167 of 190
Thread Starter 
Well that seems like a good way to end this lil test.

I got too much to do and really cannot go any further.

For real fan data take a look at Vapor's thread on XS--it is chockful of data.

That's all for now!
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post #168 of 190
Eh, I've been in "debates" over SilenX fans before... I've found them (Like CD) to be the best CFM/dBa ratio fans I have ever owed. They're really quiet and push a lot of air. I'm very happy with the ones I've got and my only problem with them is their price being too high. I've got a couple of the 38x120x120 fans and they're barely audible. Even if they don't push the rated 90CFM and only push 60CFM, they're still the quietest 60CFM fans I've ever used. If only they were a bit less expensive!

Good Work as always CyberDruid.

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post #169 of 190
Thread Starter 
Thanks.

I have to bring my home back into hominess--so I will be taking abreak from this testing and building stuff for a week.

Ideally I want to put together a better test rig.

I think the Quad has brought the loop to critical mass or whatever--it basically runs at 50=51C regardless of how much air gets blown into the rad. Perhaps a faster pump or a rad that responds to cfm better is the ticket.

TBH I am dis-satisfied with the results. they are all too close together to make a simple number help with a choice.

Rather than spin my wheels I think a retest with a different loop is a better direction.

That will take a little while to get together...but when I do have something to share I will post it up here.

Thanks again for your interest in this subject.
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post #170 of 190
CD would air-cooling be better than a WC loop?? . . that way the temps would be more dependent on the heat leaving the heatsink and the CFM of the fan rather than the superior design of the loop. . and you would see more of a fluxuation? . . Perhaps use your stock HS and switch out the fans. . . . or another midrange air-cooling system?

also can you test with a tried and true proc that you know the temps of well . . like one of your older ones? . . .just food for thoguht I guess. . .
 
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