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[Acejam]

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[SchizophrenicX]

almost everyone I presume. That has dedicated rigs and doesn't stay anywhere that is below 25 degrees. The cards after OC runs off average 60~80 degrees range depending on the cards and extend of OC. So anyone who has ambient temperature higher than 25 most time of the day would probably be running it caseless due to heat issues. Especially those who has multiple cards that are close to each other.

I have 4x5850 right next to each other on a GD70. The ambient temperature around is 30 degrees. the cards are running on 900/300 OC and have an average temperature of 75 degrees. 2x5970 on ASUS Evo/USB3 that are running on 850/300 OC and have an average temperature of 88 degrees.

I put there where ever and just makes sure no liquid is around. as for falling item potential. It's everywhere around. Just have to becareful. I'm finally beginning to clear our the area so I could move them somewhere 'safe'. However, in the midst of all these, I realized that the airflow is much more important than falling hazards (as long as non-conductive) imo. The cards/mobo/psu are more likely to burn out than anything really dropping on them and cause permernant damage.

Juz my 2 cents

[1.21gigawatts]

I have been caseless so far because I am too lazy to Macguyver my own, and I don't want to waste money buying $200+ cases, especially when I can use that money to buy another video card

[Basiley]

unless you short for 70$ for case with decent airflow[like CM 3xx/5xx or Zalman Z7/Z9 and etc]and3+3+4 for 120/140 fans, there is no reasons go caseless setup.
dust, noise, airflow, mecanical safety, fire safety, biological safety, EMI == almost anything is thumbs down in caseless case.

[OCNewB]

Here is one of my caseless rig. The tech bench is the MyopenPC from Amazon and it only cost $33 FS with Prime. I haven't had any problem with this caseless rig at all such as dust, noise, airflow, mecanical safety, fire safety, biological safety, EMI like the person above mentioned.
http://i906.photobucket.com/albums/ac269/OCNewB_OCN/IMG_1942.jpg
http://i906.photobucket.com/albums/ac269/OCNewB_OCN/IMG_1944.jpg
http://i906.photobucket.com/albums/ac269/OCNewB_OCN/IMG_1943.jpg

[Jack of Diamonds]

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Heh, so there are plenty of people figuring out the benefits of USB Wlan adapters.

Much less wiring hassle, and you can run up to 32 connections on a single router sharing the same IP.

[OCNewB]

Oh ya definitely  . My main router is in another room so that room doesn't really have wired internet unless i buy another router and hook it to the port on wall. USB is definitely handy.

[Meatball]

You want to go caseless, yet sturdy?  Simple.  Go to homedepot and pick up a 2x2 piece of plywood for under $10.  (A 2 x 4 piece will fit 3 mobo's.)  Put your motherboard on the plywood where you want it to sit and with a pen or something mark the playwood where the screw holes are.  Then move the mobo and drill the locations with a 1/8" drill bit.

The screw threads of the metal motherboard risers you usually screw into your case will fit just about perfectly into the holes and then you can place the mobo on top of the risers and screw it down as normal.

I have 3 boards mounted to a 2x4 sheet of plywood right now and it's working great.  I put the the whole board on a folding table and I have enough room for PSU's and even external fans if I want on the table.