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High speed fan choices

post #1 of 6
Thread Starter 
I've switched gears and decided to go high speed for my build, but I'm torn between a few options for my HWLabs GTX Rads. Suggestions?

Size isn't a concern as this will be an external box with plenty of space.

Delta AFB1212VHE 120x38mm (150CFM Max Air Pressure 15.29 mmH²O)

Scythe GT D1225C12BBAP-31 120x25 (150CFM Max Air Pressure .60 inchH²O - basically same stats as above at 25mm)

...or another choice? I don't think I can justify over $20/fan as I need 8 of them.
post #2 of 6
Are you sure you need 150CFM for that radiator? I'm waiting for my GTX360 to come, and I was planning on putting 1500-1800rpm fans on it with maybe 45-50 CFM through it. I was actually thinking that either Gentle Typhoon AP-15s would be good, but I'd likely go for the Arctic Cooling F12 or just one more Gelid Silent 12 for my radiator since I'd rather have PWM capability to keep the fans quiet unless they need the extra oomph.

From this chart from Skinnee labs, you'll be taking advantage of the extra fin density in the GTX series just by having >1400 RPM, no need to go nuts with the CFM...


If size and sound isn't a concern, I suppose you might as well knock'em dead with the Deltas, but I think that'll be excessive to accomplish comfortable temps, unless you really need to dissipate enormous amounts of heat.
post #3 of 6
^^ What he said. You also didn't mention if you want cheap or expensive. I'm not sure if you've ever owned fans past 2000rpm, but they are a terrible ear sore even on a fan controller.

Yates are uber cheap, like:
Yate Loon D12SH-12
Air Flow: 88 CFM
Fan Speed: 2200 RPM
Noise Level: 40 dBA

I see those GT AP-31's on PPCs... but they are 4250 rpm. That is retarded loud man.

The <best> radiator fans, as in the most air and very quiet are the GT AP-15's, but you usually have to wait a month or two on backorder from most stores.

Scythe GT D1225C12B5AP-15
Air Flow: 59 CFM
Fan Speed: 1850 RPM
Noise Level: 28db

Martin has like 6 fan review threads:
http://www.overclock.net/water-cooli...ng-thread.html
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post #4 of 6
http://www.eselleruk.com/products/Su...C-1121-64.html

sunon denki big boys... rated 34db


Very nice fans and very cheap, saw a review of them where they measured them putting out over 100cfm (they found similar for the yate loons).

I have a couple in my work PC and they're not that loud... to be honest, under my desk, you can't hear them.

Even if you undervolt them with a fan controller, they just shift so much air with their 38mm depth.

At the very least I would look for 1800 rpm fans with 38mm depth for that rad
    
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post #5 of 6
Thread Starter 
All good choices...

I'm accustomed to noise. The ambient noise in my office is pretty high. Currently I am running Delta (EFB Series) 3700 RPM at 80% throughout my air cooled case, and I can't hear them over the rest of the room.

In a former build I used those sunon denki big boys that I ran untill the bearings failed (a couple of years). I replaced those with Scythe UK3 that I was not impressed with (quality of noise).

I considered going with quieter fans but there is really no point with the other equipment in the room. These GTX just rock with high speed fans too...

GT AP-31 are the 5400 variety, AP-30s are the 4250's.

I can get the deltas I mentioned above for $16.95 USD ea

The GT's (AP-29, 30, 31) are all priced at my source $19.95 USD ea

I already have one of the delta's in my hand and I like the quality of noise throughout the voltage spectrum (7-13v). I know that up against a radiator these deltas can get up to a screaming 60+dB. I can certainly hear them in my room; although the sound quality is not bad. Some of that noise is mitigated when I use a shroud.

I was hoping someone might have incite on the high speed GT's. I guess I'll just buy a few and see for myself.
post #6 of 6
Delta AFB1212VHE rev. c
Delta AFB1212SHE rev. c
Delta AFB1212SHE

fans under $20 with great static pressure and cfm ratings
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