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I'm New to Phase Change

post #1 of 18
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I'm new to phase change. And I've been looking into it. I just have a few questions I'd like to find out:

- How much power does a phase change apparatus consume for a single computer processor?
- Is it really expensive or well worth the investment for the increase in performance?
- How cold can it get when considering temperature?
- Is it really loud or moderately quiet?
- Is the apparatus really large?

I'll appreciate the responses. Thanks guys

regards

Alex
    
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post #2 of 18
I can answer #2
Its like $800 plus dollars.
and #4. Im not positive about this but im sure its pretty loud.
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post #3 of 18
- They use a lot of power, a Mach II GT uses about 230W if I remember right.
- It's expensive for the common person, but for an enthusiast, it's worth it.
- Depends, the more you spend generally the colder you get. Most hover around negative 40C at load.
- Some are loud, some aren't. A Mach II GT is louder than most others.
- It's big, no matter what you get.

I used to have a Mach II, I liked it, but it wasn't worth keeping around in my opinion. The older ones like the Mach II (not GT) didn't get all that cold, I got around -14C at full load on a P4 Prescott at 3.9GHz. Newer, more powerful, models can get anywhere from -30C to -80C at load on the newest CPU's. I would try it just to say you have, and then sell it if you don't like it too much. It is a great learning experience.

PS: I just sold mine for $400, so it doesn't have to be extremely expensive, but that's more than a water cooling setup, and a lot more than air, so it's really up to you.
post #4 of 18
- How much power does a phase change apparatus consume for a single computer processor?
Recently asked myself...

- Is it really expensive or well worth the investment for the increase in performance?
You can get a one for $300-1000. Worth would be determined by you.

-How cold can it get when considering temperature?
Depends on how much you spend and what type of load.... -30C is common.

- Is it really loud or moderately quiet?
Again, depends on design

- Is the apparatus really large?
Very few cases will fit one internally. Rought estimate... 24x10x12" A Lian Li PC-V2000 can fit one in the dedicated bottom chamber.
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post #5 of 18
Quote:
Originally Posted by Kris88 View Post
I can answer #2
Its like $800 plus dollars.
and #4. Im not positive about this but im sure its pretty loud.
Both wrong You can get phase for as low as $600, and it's actually pretty quiet. It all depends on which fan you choose though, you can choose a high-end fan and get lower temps (not alot though) or get a decent fan for silence and get low temps too (it's about a 5c difference if not less)

In terms of how large it is... it's pretty much the size of your case in length and depth, but in height it's about 1/3 of your case.

And it also depends on how cold it can get... usually it ranges in the -60 to 2c area depending on your CPU. If we took, let's say my CPU it would probably be about -4c under load because I have a 137W CPU after being overclocked. Stock it's about 59w, so expect -20c under load for the average CPU.
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post #6 of 18
Quote:
Originally Posted by gonX View Post
Both wrong You can get phase for as low as $600, and it's actually pretty quiet. It all depends on which fan you choose though, you can choose a high-end fan and get lower temps (not alot though) or get a decent fan for silence and get low temps too (it's about a 5c difference if not less)

In terms of how large it is... it's pretty much the size of your case in length and depth, but in height it's about 1/3 of your case.

And it also depends on how cold it can get... usually it ranges in the -60 to 2c area depending on your CPU. If we took, let's say my CPU it would probably be about -4c under load because I have a 137W CPU after being overclocked. Stock it's about 59w, so expect -20c under load for the average CPU.
I dont think it really matters much about the fan, from my experience, compressors are usually pretty loud.

IMO, A peltier would give you a much better price/performance value
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post #7 of 18
Peltier would be simple and easy as well as cheap but to say you have phase is like saying you have a 03 Cobra witha Kenne Bell Blower on it!!! Good peltier and water on a CPU can get below zero and half the price of phase. They are alot of work some are noisey and theres condensation all depends what you have the desire for.
    
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post #8 of 18
Quote:
Originally Posted by Rick Arter View Post
Peltier would be simple and easy as well as cheap but to say you have phase is like saying you have a 03 Cobra witha Kenne Bell Blower on it!!! Good peltier and water on a CPU can get below zero and half the price of phase. They are alot of work some are noisey and theres condensation all depends what you have the desire for.
If you have a waterloop, a TEC is cheaper. However, building a decent TEC setup from scratch will cost $350ish (plus the custom work). The performance will be close but still not beat a "low-end" phase. Also, phase is more efficient so you will have to pay more in the long run for electricity.
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post #9 of 18
A peltier IMO is a waste! Waste meaning it must create heat to cool. Phase on the other hand is more efficient. By that I mean it just moves heat. The rotary compressors are noisy but will carry a huge load. No single stage I've seen has gotten down to -80. Most ss get to -40 or -50. After that you need to go with a cascade. A cascade uses one system to cool the condenser of another. A 2 stage cascade will get down to -70 to -100 depending on the gases used. I think chilly1 may have gotten one down to -130 but that might have been a 3 stage. Depending what compressor you use you can sacrifice temp for silence. There was somebody on xtremesystems.org that built one that you couldn't even hear. ss's go from anywhere from 300-1000, 2 and 3 stage systems can cost thousand's of dollars.
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post #10 of 18
Hey Ryguy a machIIgt is not a loud phase. The only time it is loud is when you have the fans running at 100% which isnt even necessary. There are alot of phase units that are far louder then these guys. Its probably more toward being one of the quitest ones.

Generally on your stndard single stage phase the compressor is only loud during startup when it is under its intial load. After it is up to temps and running they are pretty quite. My other components and case fans are louder then my MachIIGT. My water cooling setup with several fans is far louder then my phase setup.

They are expensive but and all that so basically you could get better performance say from getting a better video card or something if you wanted but it depends on what you want to do. I like mine and run it 24/7 with a nice oc.
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