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Acrylic Case Thermal Performance
Are there any weird thermal issues that come with a completely acrylic
case (all material is transparent)? One kid at school said cases are aluminum for heat dissipation, but I think he was a little loony. I suppose if I sat it in direct sunlight it would be like a greenhouse. Things might not be so pretty after the case temperature goes over 100 degrees. Seriously though, do you guys know of any other issues heat issues? I've also heard some people rattling on about electromagnetic interference (EMI). Is there anything to that? I've read reviews, and nobody has complained of things going wrong. Case arrives on Monday, can't wait!!! Aaron |
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1 Aaron wrote: Are there any weird thermal issues that come with a completely acrylic case (all material is transparent)? One kid at school said cases are aluminum for heat dissipation, but I think he was a little loony. Unless you have a reason to use the case as a heatsink (such as bolting semiconductor rectifiers, voltage regulators, or power amplifiers to it), the material from which the case is made should not affect the computer. I suppose if I sat it in direct sunlight it would be like a greenhouse. Things might not be so pretty after the case temperature goes over 100 degrees. Seriously though, do you guys know of any other issues heat issues? I've also heard some people rattling on about electromagnetic interference (EMI). Is there anything to that? I've read reviews, and nobody has complained of things going wrong. The RFI (Radio Frequency Interference or electromagnetic interference) may be an issue. Computers in general are considered in two classes: A and B. Class 'A' computing devices are intended to be used within a commercial environment, and a Class 'B' device is intended for the residential or consumer market. The excerpt below is from the FCC Rules, Part 15 which cover unlicensed radiators and interference issues: // begin excerpt (h) Class A digital device. A digital device that is marketed for use in a commercial, industrial or business environment, exclusive of a device which is marketed for use by the general public or is intended to be used in the home. (i) Class B digital device. A digital device that is marketed for use in a residential environment notwithstanding use in commercial, business and industrial environments. Examples of such devices include, but are not limited to, personal computers, calculators, and similar electronic devices that are marketed for use by the general public. Note: The responsible party may also qualify a device intended to be marketed in a commercial, business or industrial environment as a Class B device, and in fact is encouraged to do so, provided the device complies with the technical specifications for a Class B digital device. In the event that a particular type of device has been found to repeatedly cause harmful interference to radio communications, the Commission may classify such a digital device as a Class B digital device, regardless of its intended use. // end excerpt If you purchase a 'blade' server from HP for example, it will likely be classed as 'A' while a Compaq Desktop machine (again, as an example) from a retailer will probably be in the 'B' class. *Building* the machine from parts purchased not as part of an integrated whole sticks it in the 'B' class, from everything I've read. A well-manufactured metal case and high-quality assembly by the assembler (you, your sister, anyone else you choose to perform the task) will help to reduce any electronic emissions from the computer. You might see such interference on a nearby television, hear it on an AM or general-coverage short-wave receiver, (or not ever notice it until the Vogons home in on it and target your neighborhood). It is highly unlikely, though, that emissions from your new system will have any effect on most devices within a short distance of your computer. An acrylic case will not offer the shielding of a metal case (obviously), but it will certainly be neat to look at ! Case arrives on Monday, can't wait!!! Go for it!! Aaron - -- Ron n1zhi -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQFAv8AAa9fyRcf4bIYRAo2lAKCazWUvR5UTB68l2YWzzz Ye4yk8fwCgiGyh 0SdkDCwstDtYKdBxBzYmB34= =uMYK -----END PGP SIGNATURE----- |
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Ron Cook wrote in message ...
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Aaron wrote: Are there any weird thermal issues that come with a completely acrylic case (all material is transparent)? One kid at school said cases are aluminum for heat dissipation, but I think he was a little loony. Unless you have a reason to use the case as a heatsink (such as bolting semiconductor rectifiers, voltage regulators, or power amplifiers to it), the material from which the case is made should not affect the computer. In my experience of building computers, the case material does influence the internal temperature of a case, however not to the extent that manufactures would like you to believe. There is more important things you can do to ensure a cool operating temperature, for example having sufficient fans in the case, having balanced CFM for intake and exhaust fans, making sure you have good air flow front to back in the case, making sure to clean the case out from time to time depending on how dusty your environment is, etc Good luck with the case |
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