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So technically, Why can't you make a computer case with...

probably because the expense of manufacturing would make it cost prohibitive. Plus, I believe that having the case sealed with a specific route for the flow of air is the best way to cool the components, not giving the hot air a place to escape everywhere.
 
why does it seem like alot of people just take off their side panel to cool their computer. It actually works too.
 
because air needs to be pressurized and will not be so if it can disperse anywhere.

Pressurized air goes through things faster and thus will absorb heat at a higher rate because more air can flow through in any given second.
 
Originally posted by: Remy XO
why does it seem like alot of people just take off their side panel to cool their computer. It actually works too.
Click to expand...

Actually, if you have a well-ventilated case, this can actually make your airflow/component temps *worse*, since your fans end up circulating outside air rather than forcing it past components that need to be cooled. It probably lowers your ambient temperature, but doesn't necessarily do a better job of removing heat from the hottest things in the case.

Some cases have a ventilated back (and/or vents in the side panels), to allow more air to escape. But having a completely open case is probably worse than having a 'normal' case with adequate airflow, especially if you have a lot of parts that are passively cooled.
 
Originally posted by: Remy XO
why does it seem like alot of people just take off their side panel to cool their computer. It actually works too.
Click to expand...


Usually means that their case was poorly designed, has poor cable management or the existing fans are incorrectly set up.

Properly set up, having the sides on is better as moving air is directed at the components that need it and hot air is drawn away properly instead of just drifting around till it finds its way out.
 
A lot of extraneous holes would make the creation of a directed air flow difficult if not impossible. Air flow needs a planned pattern of in and out to be most efficient.
 
I didn't read all the posts here but check this out for air flow...
http://www.newegg.com/Product/Product.asp?Item=N82E16811119097

Also, I modified my own Enermax case like this...
http://i19.photobucket.com/albums/b182/forumposter32/backday.jpg
There already screw holes for the fans there and tiny holes for the fans but I cut out two large holes where the tiny holes were and added a second fan. When I'm gaming, if I put the fans on max, the motherboard temperature can go down by 7'C or 8'C.
That's amazing. BTW, there is a silver version still available I believe on newegg. Just look at mine, it has a knob to control fan speeds...
http://i19.photobucket.com/albums/b182/forumposter32/casefrontday.jpg
 
Originally posted by: Remy XO
ah i see. I guess I just need more case fans
Click to expand...


That is not true either. You may have more case fans but you run into a few issues:
---Noise - More fans lead to more vibration, air turbulence, etc
---Cooling issues - You need to create a wind tunnel from front to back; i.e. a push-->pull method. An exhaust on top also works as hot air rises. Side Door Fans are pretty much useless. You do not want air to be going around in a big circle inside the case but you want it to flow

Ideas:
---120 MM fans > 80 MM fans. Large fan diameter means that a fan may push the same amount of air while spinning slower and creating less noise.
---Clean up wiring clutter that traps hot air in pockets
---Clean up "dead zones" i.e. such as underneath power supply...a simple idea is to open one of the back end metal pieces on the case that you remove when you put a card in the pci slot. Air will naturally flow out as it will be cooler outside your case than inside.


Using the above is why people can run P4's/ X2's PASSIVELY in the Antec P180 (co-made with Silent Pc Review) with 2 -3 very slow spinning 120 MM fans.

so yeah. read up www.silentpcreview.com is a great resource. And before you say " blah blah blah performance > noise "...Trust me, I said that 2 years ago and I am still paying for it 🙂
 
Originally posted by: cessation
I love this case, it's so easy to work with. Glad I spent 230$ on it 🙂
Click to expand...


I love Lian Li cases. I have the V-1000. It's divided into 3 thermal compartments so lack of internal air pressure due to the thousands of tiny holes is not a problem. There is a 120mm exaust fan right next to the CPU so temps stay cool. Hard drives have their own compartment with a 120mm fan and the power supply gets mostly cool air from a few hundred intake holes in the bottom of the case. It is also surprisingly quiet since the power supply fan can spin at minimum speed and the case only has 1 exaust fan. Lack of noise was my main reason for buying it but cool temps are a bonus. The only drawback is that air filters are useless since dust has thousands of paths into your system. Not good for dusty environments!

Lian Li V COOL PC-V1000 Silver Aluminum ATX Mid Tower Computer Case
 
Originally posted by: boobears
Originally posted by: cessation
I love this case, it's so easy to work with. Glad I spent 230$ on it 🙂
Click to expand...


I love Lian Li cases. I have the V-1000. It's divided into 3 thermal compartments so lack of internal air pressure due to the thousands of tiny holes is not a problem. There is a 120mm exaust fan right next to the CPU so temps stay cool. Hard drives have their own compartment with a 120mm fan and the power supply gets mostly cool air from a few hundred intake holes in the bottom of the case. It is also surprisingly quiet since the power supply fan can spin at minimum speed and the case only has 1 exaust fan. Lack of noise was my main reason for buying it but cool temps are a bonus. The only drawback is that air filters are useless since dust has thousands of paths into your system. Not good for dusty environments!

Lian Li V COOL PC-V1000 Silver Aluminum ATX Mid Tower Computer Case
Click to expand...


Yeah my PC-V2000b gets dusty. But I don't mind cleaning it out every 4 months or so.

I did notice a huge difference in my CPU temp. I had a nice alloy case before that had quite a few fans. My old case wasn't near as big or designed as good. My CPU will stay at about 29C under normal use now. With my old case the CPU would be about 38C under normal use. I just bought the case for the size, I never thought it would cool my components so much better than my old case.
 
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