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post #741 of 2657
Quote:
Originally Posted by mam72 View Post

Silent implies no noise at all. What you mean is quiet, so you think that the CM is quieter than Bitfenix

So how did you prove that the CM fan moved less air? What device did you use?

I did not test it with any device because I don't have one. What I did is I tested it with the "hand test" and I cut a paper into pieces and threw it in the airflow of both fans. I know it is not scientifically but trust me if you have both fans running side by side you can feel more air coming from the Bitfenix. This is due to the 900rpm vs the 700rpm from the Coolermaster.

I also did a temperature test with both fans mounted on the side panel blowing air onto the graphics cards and 30 min Valley loop. The result:

Coolermaster: GPU1 77°C
GPU2 59°C
Bitfenix: GPU1 75°C
GPU2 58°C

So it is only a small difference but it is there.

I'm not the Bitfenix fans are the best on the market in any means. But they are good if you're looking for high performance at moderate noise. I can only repeat myself the 140mm and 200mm versions were the strongest I could find on the paper. They also had the highest rpm I could find and thus a pretty good static pressure which is what I was looking for. smile.gif
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post #742 of 2657
Quote:
Originally Posted by Mysterion90 View Post

I did not test it with any device because I don't have one. What I did is I tested it with the "hand test" and I cut a paper into pieces and threw it in the airflow of both fans. I know it is not scientifically but trust me if you have both fans running side by side you can feel more air coming from the Bitfenix. This is due to the 900rpm vs the 700rpm from the Coolermaster.

I also did a temperature test with both fans mounted on the side panel blowing air onto the graphics cards and 30 min Valley loop. The result:

Coolermaster: GPU1 77°C
GPU2 59°C
Bitfenix: GPU1 75°C
GPU2 58°C

So it is only a small difference but it is there.

I'm not the Bitfenix fans are the best on the market in any means. But they are good if you're looking for high performance at moderate noise. I can only repeat myself the 140mm and 200mm versions were the strongest I could find on the paper. They also had the highest rpm I could find and thus a pretty good static pressure which is what I was looking for. smile.gif

Think we have a troll here or someone is really deluded.
post #743 of 2657
Thread Starter 
Quote:
Originally Posted by mam72 View Post

Think we have a troll here or someone is really deluded.

Yeah, he doesn't seem to understand that the specs Bitfenix put on the box of Spectre Pro are complete garbage. None of it is true, not even close. I'll leave him to his ignorance.
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post #744 of 2657
Quote:
Originally Posted by mam72 View Post

Think we have a troll here or someone is really deluded.

What is your problem?

Can you show me some 140mm fans which have >1800rpm at a reasonable noise level?
Quote:
Originally Posted by Cyclops View Post

Yeah, he doesn't seem to understand that the specs Bitfenix put on the box of Spectre Pro are complete garbage. None of it is true, not even close. I'll leave him to his ignorance.

No ignorance just different experiences. Also comparing apples to oranges is pointless.
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post #745 of 2657
Seems a very arrogant attitude.
post #746 of 2657
Quote:
Originally Posted by Mysterion90 View Post

What is your problem?

Can you show me some 140mm fans which have >1800rpm at a reasonable noise level?
No ignorance just different experiences. Also comparing apples to oranges is pointless.

rpm =/= air moved. Just a heads up.
A higher quality 1500rpm fan could be quieter and/or push more air. I'd be willing to bet a noctua or noiseblocker fan at 1700/1500rpm would be quieter and have equal if not better air flow.
post #747 of 2657
What do you guys think of the Noctua nf-a14 flx? Im thinking on buy 4 of them, to put on my Arc Midi R2, and then have a H220 on the top, exhausting.

SO would be 2 Noctua on the front intake, 1 on the bottom intake, 1 on the rear exhausting and then the H220 on the top exhausting.
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post #748 of 2657
They are good fans but there are others as good and cheaper. Phanteks PH-F140XP are about $15.00. I would suggest PWM version and use CPU or CPU & GPU PWM signal to control them. That way case fans idle down same as component fans when system is not working hard and speed up when system works hard and needs more airflow.
Check out first link in my sig.
post #749 of 2657
Quote:
Originally Posted by Failuyr View Post

rpm =/= air moved. Just a heads up.
A higher quality 1500rpm fan could be quieter and/or push more air. I'd be willing to bet a noctua or noiseblocker fan at 1700/1500rpm would be quieter and have equal if not better air flow.

Yes I know but i was also looking for good static pressure and you don't get high static pressure without high rpm. i have tried different fans including those considered "moving a ton air at low noise" ones like bequiet Shadow Wings or Thermalright TY 140 but the problem with those fans is, at a distance of only 10cm you can't feel the air anymore whereas i can feel the airflow at about 20-25cm distance with the Scythe Grand Flex 120 PWM or Bitfenix Spectre Pro PWM 140. High static pressure fans don't have this issue and are better for my needs.

Just one last word to this "the bitfenix fans don't have the cfm they are advertised at". google for reviews, there are a couple where they measured the cfm and it was almost exactly as advertised.
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post #750 of 2657
Sorry, but "feeling" airflow is quite deceptive as to how much air a fan is actually supplying.

Thermalright TY-140 series fans are highly respected for their performance. And not just by general users but by professionals who have done extensive testing of fans.

As for fan specs please supply links to backup your statement.
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