Evercase ECE4252 recommended but...

Enclosures and acoustic damping to help quiet them.

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WannaOC
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Evercase ECE4252 recommended but...

Post by WannaOC » Tue Aug 05, 2003 7:21 pm

On the recommended page it says that the Evercase ECE4252 is the best for a silent pc but it doesn't have 120mm fans, only 80mm?! I want good airflow but I want it to be quiet as it will be in a computer desk space and need a good flow going in. Does this case mod to fit 120mm fans or will these be enough?

miker
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Post by miker » Tue Aug 05, 2003 7:41 pm

There's differing opinions on whether 120 is better than 80. 120 you can get more air and still run low speed, but they still make more noise that the best 80mm fans.

WannaOC
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Post by WannaOC » Tue Aug 05, 2003 7:48 pm

So something like an L1A 80mm would be better than a 120mm L1A for sound and air?

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Post by MikeC » Tue Aug 05, 2003 8:33 pm

WannaOC wrote:So something like an L1A 80mm would be better than a 120mm L1A for sound and air?
That's not what Miker said. It would be quieter but cannot blow as much air. The 120mm fans have better noise / airflow ratio, but they are noisier than 80mm fans. So it's a trade-off: You want quietest, go with 80mm fans and tweak carefully for best noise & cooling. With a 120mm, cooling is less of an issue but noise will not be as low as the best quiet 80mm fan setup. My personal preference is for the Evercase with 80mm fans.

WannaOC
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Post by WannaOC » Tue Aug 05, 2003 9:08 pm

So there is no fitting a 92mm or 120mm in the front or back on this case? I only ask because for what 20.00 more or so I can get a SLK3700 and be almost the same noise reduction but bigger fan right?

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Post by MikeC » Tue Aug 05, 2003 9:20 pm

WannaOC wrote:So there is no fitting a 92mm or 120mm in the front or back on this case?
The back, no. The front, 92mm is no problem, I think. 120mm might be doable, but tight. Check this photo of the inside front panel (from ARM 2000+ Stealth PC review):

http://www.silentpcreview.com/files/ima ... front2.jpg

Tell again why you're so concerned about airflow? You plan to run a bunch of hot components in this?

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Post by futureweaver » Wed Aug 06, 2003 12:33 am

I'm running an Evercase with 2 of Dorothy's 24V 80mm M1As @12V, grilles cut away, fingerguard on the back. On her figures this can't give more than 15cfm through the case, and I have HD temps of ambient+4, mobo ambient+8. The only audible noise (from these fans - there's an L1A on the CPU which is also audible, and I can still hear a slight whine from the HD) is airflow through the slats on the side of the front panel. If I turn them down to 8V that goes away, and cooling is still sufficient.
Last edited by futureweaver on Wed Aug 06, 2003 8:53 am, edited 1 time in total.

WannaOC
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Post by WannaOC » Wed Aug 06, 2003 7:21 am

What size fans are those futureweaver?

futureweaver
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Post by futureweaver » Wed Aug 06, 2003 8:47 am

80mm. I've edited the post above.

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Post by Rinoryan_33 » Wed Aug 06, 2003 4:01 pm

Which would be quieter: 2 80 mm fans vs a single 120mm fan, while they both push the same amount of air through?

Zhentar
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Post by Zhentar » Wed Aug 06, 2003 4:44 pm

probably 2 80mm, since they'll have less bearing/motor noise.

tino
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Post by tino » Thu Aug 07, 2003 1:45 am

I've just modded the rear of my evercase to take a 120mm fan, but it needs a fair bit of work to do it, and once it's in, the only way to mount it quietly is to rest it on the pci alcove section. Luckily I have an NMB fan which doesn't seem to vibrate at all, so it works OK for me. Nice airflow, though I have a B30, which probably pushes too much air throught the case to be absolutely silent. Might borrow a digital camera and put some pictures in the gallery.

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Post by cliche » Thu Aug 07, 2003 6:03 am

Zhentar wrote:probably 2 80mm, since they'll have less bearing/motor noise.
agreed - posted this somewhere else today on my gfx experience, but am reading the forums when I should be doing work. So not in a position to grab the thread :(

WannaOC
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Post by WannaOC » Thu Aug 07, 2003 7:41 am

Tino could you mount a pic of it. I'm just curious about it.

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Post by tino » Thu Aug 07, 2003 8:24 am

I certainly can, but It won't be till the weekend at the earliest, as I need to borrow a digital camera. Also, I'm still working on a duct from the front of the case to the cpu, and was hoping to finish before posting pics, but i can do those later I guess.

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