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Some question about "Quite" cooling...

S

s10010001

Supreme [H]ardness
Joined
Sep 17, 2002
Messages
7,505
my questions.....

1. Best low noise Case fan? 120mm, noise vs. CMF.... (brand and model) Im not looking for silent here, so no 10cmf fans, I want some good cooling, jsut a happy medium i guss...

2. Do the low noise 120mm fans push enought to cool water thru a heater core? I am currently 2.55Ghz with a 3500+ and Alpha PAL8150 HE and 50CMF fan, i pull 45c tops, i woudl loiek to meet or beat that...

3. Any sugestion for quiteing down my box...?


S0rri for my n00b questions, I Have never worried about noise before... i like Big fand, lots of water, and madd air flow thru that rad..i never even bother with quite stuff...untill now a days..
 
"1. Best low noise Case fan? 120mm, noise vs. CMF.... (brand and model) Im not looking for silent here, so no 10cmf fans, I want some good cooling, jsut a happy medium i guss... "

Yate-Loon makes a number of excellent fans. Often they are sold under the "Nexus" brand name. I've found that their sleave bearing fans are absolutely excellent - they move a lot of air without any bearing noise.

Also good are Panaflo "Hydro-Weave" fans, but they still have some "ticking".

"2. Do the low noise 120mm fans push enought to cool water thru a heater core? I am currently 2.55Ghz with a 3500+ and Alpha PAL8150 HE and 50CMF fan, i pull 45c tops, i woudl loiek to meet or beat that... "

Probably. At 1500rpm, my Yate-Loon fan moves 61CFM. Even quiet 80mm fans like the Panaflo L1a (24CFM) are around 1900rpm.

"3. Any sugestion for quiteing down my box...? "

Well, that depends.

1: Identify and eliminate noise sources. Prime canidates are your PSU and GPU. I'd replace your PSU (if it's noisy) with a Seasonic Super Tornado 400W -- a very nice PSU with a speed-controlled 120mm Yate-Loon fan. Your GPU fan can be replaced with a VGA silencer, Zalman VF-700, Zalman ZM80D-HP, or other quiet heatsink depending on what you have already. If you're going watercooling, you may want to put a block on the GPU.

2: Lower power consumption. Learn to use and love AMD's Cool n Quiet. Use a tool like RMClock to control your CnQ multipliers and voltages. My Newcastle Athlon 64 has no problem running at 800MHz / 0.8V. RMClock looks at your CPU load and sets your CPU to either full frequency or a reduced frequency to lower power consumption.

3: Consider your voltage choices carefully. Remember that with resistive components (like your CPU), power goes up with the square of voltage. Going from 1V to 2V results in a 4X increase in power usage. Going from 1.5V to 1.65V results in a 21% increase in power usage. Use Cool n Quiet here - run at lower voltage when you don't need the CPU power.

4: Consider running at stock speeds and/or undervolting. My 1.8GHz Athlon 64 draws ~65W at peak load. I was able to decrease the voltage to 1.2V without sacrificing stability. You may be able to run at lower than 1.5V at stock speeds. Going from 1.5V to 1.2V lowers power output by 36%.

5: Look carefully at airflow design. Poor airflow will cause your system to run hotter and require more cooling. I always laugh at the people with 8 80mm fans in their case. 50-60CFM of total output airflow (case fans + CPU fan) should be plenty to cool any modern system. Remember, more fans isn't necessarily better. A single 120mm fan is far better than two 80mm fans.

6: Give up overclocking. Consider whether you really need that extra 5FPS.

7: Don't get worked up about temps. Running your A64 at 60C is fine. It will not significantly affect the lifespan or stability of the CPU (and, if it does, you have a bad part anyway).

8: Use automatic fan control. If your motherboard supports it (through the BIOS or a program like Speedfan), use it. My CPU and case fans are *off* when my system is idling, and my A64 stays under 55C (thanks Cool n Quiet).


Basically, consider this: what's really important? Performance or noise. For me, it was noise. I have a dead quiet system that offers good perofmance. You have a noisy system that offers excellent performance. Personally, I'd rather have "excellent and good" rather than "excellent and poor". It's about what you personally want from your PC.

That's why it's great to build your own system -- you can decide what is important and focus your design around it.


Check out silentpcreview.com for more information. It's the best quiet PC resource out there. When they say it's "quiet", they *don't* mean "I can't hear it over my 80CFM delta". Many websites do.
 
im not giving up overclocking, my CPU runnign s939 3500+ 2.55Ghz, gives more than 5fps... :) and give up my moded antec 550watt 3.4v, 12.6v, 5.5v for some midrange 400wat... i think not.... Ill look into those fan thought thanks.

I understand that i wount be abel to make it silent leaveing my current specs as is.. but i should be abel to quite it down...


Dos ethat sound matting work good? Once i get it water cooled, and replace my PSU fans, i was thinking of trying some of it...
 
if you really want silent, and you are willing to replace certain components then check out www.silenxusa.com awesome stuff there, high quality, but you get what you pay for (in this case the product rocks, and you notice it in the pricetag)
 
I have been looking for those Yate Loon fans that are sold as the 120mm orange Nexus fans. They are super quiet and still push a fair amount of air. I would just order the Nexus fans, but I personally don't like to pay more than 10 for a fan. Anyway, until I get the Yate Loon fans, I bought a generic 120mm fan from CompUSA (impulse buy) and I don't know who makes the fan, and I don't know the specs of it, but boy howdy is that fan silent. It pushes air well too.

Oh, and my Tagen 480W PSU is super quiet also. Half the time it doesn't even need to run the exhaust fan in it. But even when that starts up, it is still quiet. :)
 
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