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Go Back   Apex Community Forums // PC Apex Forums // Cooling // Heatsinks / fans

Heatsinks / fans Questions, info, results for various heatsink/fans.

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Old 01-March-04, 07:03 PM   #1 (permalink)
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Default air flow..

hey guys im ankit.. im ok at rigs.. right now im pushing a abit nf7-s with a athlon barton 3000+ 2.2ghz 1 gig ram and a 256mb video card the ultra 5900 and 220 gig harddrive... ive been recently having some cooling probs =/ right now my cpu temps are 47-49 but i dont really care about my cpu.. im only running my cpu fan at 1800 rpm... the problem is my case temps.. my winbond hardware doctor tells me its at 40 =/.. i have this case http://www.obengware.com/asesoris/antecpp1000amg.htm the antec case proformace Plus... i have the normal fan set-up.. 2 front 2 back 1 side 2 on psu and i just put on the bottom of my case.. (had a fan laying around thought it would help) and it did.. that fan dropped it about 2C... i was wondering is there a different way i could use my fans.. is there a way to cut a hole or something on my side plastic window.. and if it would help out my cpu temps
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Old 01-March-04, 07:24 PM   #2 (permalink)
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1st make sure that your fans are going the correct way.

front should be intake
rear should be exaust
and what ever gives you better temps on the side. mine is intake.

best way to lower case temps is to cut down on the cpu temp itself. since that is one of the major heat sources in the case.

but if that isnt an option cutout a blow hole. Heres PR's guide
http://guides.pcapex.com/modding/diy:_blowholes.php
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Old 01-March-04, 07:47 PM   #3 (permalink)
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If GK does put up the guide I made for cutting side panel fans on acrylic, that would probably be exactly what you're looking for. After reading his recent G^3 post, it will definitely be after the LAN he's going to.

For your case temp, measure it with a temp probe...that program is probably off. You also may want to put your rear fans as intakes to cool the CPU better.
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Old 01-March-04, 08:13 PM   #4 (permalink)
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well i was thinking of getting Aerocool Deep Impact DP-102 and slapping 2 fans on it.. reviews say
Diode
Socket
Case

Aerocool with 2 Alum (Blow, Blow) Load
37
37
21
Aerocool with 2 Alum (Blow, Blow) Idle
28
32
20
Aerocool with 2 Alum (Blow, Suck) Load
33
38
21
Aerocool with 2 Alum (Blow, Suck) Idle
25
33
21
Aerocool with 1 Alum Load
38.5
40
20
Aerocool with 1 Alum Idle
30
35
20
and its only bout 60 bucks.. and i found a few spots to throw a fan... and its hovering around 30 wata drop lol u think i should get that heatsink?
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Old 01-March-04, 08:24 PM   #5 (permalink)
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I have only read one review. It ripped the socket off the motherboard.

Do not get that HSF if you want to be at all mobile.
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Old 01-March-04, 08:33 PM   #6 (permalink)
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ripped off? ouch.. next lol... wat u guys thinkg bout the thermaltake subzero4g? thermal elertic cooling... hmm
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Old 01-March-04, 08:41 PM   #7 (permalink)
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Quote:
Originally Posted by Ankit
ripped off? ouch.. next lol... wat u guys thinkg bout the thermaltake subzero4g? thermal elertic cooling... hmm

It's quiet, but it might cause you to overheat. On socket As a lot of people get 50c idle temps even.

Sometimes simple is best. Like a thermalright heatsink paired up with a good 92mm fan.
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Old 01-March-04, 08:46 PM   #8 (permalink)
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Just go with the Zalman7000 aluminum/copper hybrid heatsink if you want a good heatsink. Just about everyone here would recommend it.

As for the Thermaltake you mentioned, that is way too expensive for a peltier cooled CPU solution. I'd have to read some reviews about it, but as for now I'd just say stay away from it. For $170 you can build a very nice custom WC system.
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Old 02-March-04, 01:02 AM   #9 (permalink)
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Let's think about this....lowering the CPU temp will lower case temps.

The CPU puts out a steady amount of heat, regardless of what HSF you stick on it. Unless you've ducted, there's only 1 place for the heat to go....through convection it is transfered into the air inside your case. Installing a better HSF will only serve to decrease the equilibrium temperature at which the HSF dissipates all the heat from the CPU....there is no change to case temp. The matter of fact, putting a larger HSF and/or faster fan on there may actually increase case temps further by creating obstruction and excessive turbulence inside the case, thereby hindering the case fans. If you aren't worried about your CPU temps now or don't want to try overclocking more, there's no reason to get another HSF.

Getting back OT...your case airflow seems to be pretty well balanced, as is common for most Antec cases. (4 in, 3 out I belive) Even with relatively slow RPM 80mm fans, that should be more than adequate airflow, even if your cabling is messy. I'd put my money one either a crappy motherboard temp probe, high ambient temps, obstructions near the fans, or that your case isn't in a well ventilated area because I've got a case very similar to yours (aren't they all ) with only 2-in 2-out and my temps are fine. If you have any of these problems they're pretty easy to solve and you can get a temp probe at Radioshack pretty cheap. You could try PMing Chrome_Rust and see if he can get you a good deal on one.

P.S.--Thinking about an air-cooled TEC cooling solution and complaining about high case temps is kinda counter-productive. If you think they're high now, just wait until you get one of those in there....

Last edited by lAnonymousl; 02-March-04 at 01:09 AM..
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Old 02-March-04, 06:32 AM   #10 (permalink)
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Also.....do you have any type of cooling fans blowing near the video card.....I know mine puts out alot of heat......
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Old 02-March-04, 08:32 AM   #11 (permalink)
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Quote:
Originally Posted by Anon
Let's think about this....lowering the CPU temp will lower case temps.

When i put the vantec tornado on my thermalright slk-900a it lowered my cpu temps by 10 degrees and lowered my case temps by a meaningless 2 degrees, but it still lowered it. The zalman has the same effect since thats why it was partly designed that way---to let air pass between the fins and to the rest of the components.
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Old 02-March-04, 11:02 AM   #12 (permalink)
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First off, welcome to PR...nice to neet you too! It's rare that a new member will actually introduce themselves...it's a nice change. Hope you stick around

Quote:
Originally Posted by lAnonymousl
I'd put my money one either a crappy motherboard temp probe, high ambient temps, obstructions near the fans, or that your case isn't in a well ventilated area...

Well, I'm gonna have to agree with Anon here
Sounds like you've got adequate airflow...but where is the case situated? In a desk enclosure? Near a heating register/radiator? What is the temperature in the room? Is your cabling really messy? Does you cat sleep in front of the intake? Is the intake blocked by a buildup of dust bunnies?

How about pics of your case setup...can you post some?
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Old 02-March-04, 07:11 PM   #13 (permalink)
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where is the case situated? its on a table... 2 feet from the wall in the right and 1 foot from the wall in the back

In a desk enclosure? no

Near a heating register/radiator? nah the heater is a good 5 feet away

What is the temperature in the room? um i would say about 70-75 in that range

Is your cabling really messy? nope all the cables are at the top of my case.. or running under my cd roms and floopy drive

Does you cat sleep in front of the intake? lol no cat here

Is the intake blocked by a buildup of dust bunnies? just cleaned it up but still same temps

pics..? no pics sorry =/

i was thinking about geting the Thermalright SP-97 and slapping a fan on top of it.. wat u guys tink?
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Old 02-March-04, 08:13 PM   #14 (permalink)
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putting a good 120mm fan (100 cfm) in your window will help. You can cut a hole in it with a dremel. When you determine your location use masking tape on both sides of your cut line. This will help keep it from cracking. I usually outline the outer edge of the fan and cut a 45d angle about an inch from each corner for the screw holes. The secret is to keep the lines straight and easy. I'm sure your could get a circular hole cutout but it's easy to crack and it won't look good unless it's perfect. When you cut it place it on some thing flat and cuttable (I use styrofoam) and drill the screw holes a little bigger than the screw (not the screwhead). And if you do mess up all hope is not lost. You should be able to find plexiglass at a hardware store (Home Depot). I get 18x24" sheets for around $5 here in Florida. While I'm at it. I also like to attach the window to the case with small bolt's and acorn nuts. When evenly spaced the shiney acorn nuts look really good. You'll also need a shiney fan grill. I usually go to bestbyte.net, they've got some real good prices and there ground shipping is pretty quick (and they have alot of modding supplies). I have 3 computers, 2 of them are overclocked AMD systems which get hot here in Florida. I've also built some custom systems for a few friends so all of this is from experience.
MY Science Project - This computer is mounted inside a Deep Freezer ( everything except the drives. They don't spin well at -10 F)(the freezer is the case). P4 2.4C at 12x263 = 3.156 @ 1.525 volts(Danger Den Maze4 H20 Block), Abit IS7 mobo (Danger Den Maze 4 Chipset Block), 512 mb matched Geil PC4200 at 263 fsb (1:1 ratio) @ 2.7v, Radeon 9800XT 256mb w/Aqua Z H20 Block & Tweakmonster Ramsinks, (2) WD 40GB HD @ Raid0 w/ adapters, USB Floppy,CD/RW, DVD, DVD+-RW/+-R 4X, 600 watt P/S. This machine really rocks and the processor is running on less than the recommended power. I would try to lower the power farther but it's set as low as it will go.
As you can see I'm really into cooling.

LoudDog

A better heatsink will also help but it won't lower the case temp. It will dissipate more heat away from the cpu and into the case. A crappy heatsink won't dissipate the heat away from the cpu as well so it (the heatsink) doesn't get as hot. Either way the same amount of heat is generated and it's in the case. Ventilation is the key. If you do get a new heatsink I would strongly recommend the Swiftech MCX462-V with a 92mm Tornando and a Northbridge MCX159-A with a 10cfm or greater 40mm fan. As for fan placements it doesn't have to be from front to rear as was suggested earlier it just seems to go that way. Heat rises so your intakes should be at the bottom were the air is the coolest and your outtakes should be at the top were the heat collects. I would cut out the top and put a plexiglass window there with a good 80mm 50cfm fan mounted in it with another shiney fan grill. Shiney will make it run faster won't it? Maybe not but most people that see my stuff are drawn to shiney stuff even though my pimped out rig is way slower than my freezer.
How's this? Bigger is better but shiney brings them back.

Last edited by LoudDog; 02-March-04 at 08:48 PM.. Reason: more thoughts
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Old 02-March-04, 08:59 PM   #15 (permalink)
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Well.........first....I think your ambient temp is a little high (I realize it's still winter...but) 65f - 68-f would be better. Second........take a cigarette...even if you don't smoke....and blow some smoke in your intake fan to see how the circulation is....if you see any smoke hanging in certain areas.....you have a ventilation problem....if the smoke hangs there, so will the heat.........
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Old 02-March-04, 09:09 PM   #16 (permalink)
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I really like that Highperf15. Maybe you should call yourself McGyver. HaHa. I'll will remember that trick. It's always good to learn something new.
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Old 02-March-04, 09:11 PM   #17 (permalink)
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Quote:
Originally Posted by LoudDog
I really like that Highperf15. Maybe you should call yourself McGyver. HaHa. I'll will remember that trick. It's always good to learn something new.

Hey.....it works........
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Old 02-March-04, 09:17 PM   #18 (permalink)
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ugh i would but im to young to even get a pack for ciggys lol well i added a fan near my harddrive and my case temps are about 27-28 guess that helped get the bad air out lol but my cpu temps now =/ hanging around 48-50 i know its normal but i would like better cooling so im planning on getting a sp-97 and a 92 vantec fan and have it controlled by my nexus 301.. =D thanks for all your help guys
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Old 02-March-04, 09:59 PM   #19 (permalink)
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i went to heatsinkfactory.com and i could get the sp-97 and a 92mm vantec fan for about 80 bucks wow lol and then i found sidewinder.com and i can get it there for 70... improvement.. but do u guys know a really nice site to get this guy?
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Old 02-March-04, 10:15 PM   #20 (permalink)
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Instead of a cigarette, the nastiest habit of them all to have, use some honey bee smoke. I forget what it's called, but it has something to do with harmless smoke. Perhaps it is honey bee smoke...Could someone help me out with the right answer?

www.svc.com has good prices, check 'em out.
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