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Off-The-Rack Liquid-Cooled PC Case

hummer357 writes: "A Korean company is making a computer case with a nifty liquid-cooling system (for psu, video and processor) that doesn't use any fans or motors. The CalmPC. Here's a review. Maybe this is the thing we have been waiting for ... finally silence on the desktop. Too bad the supplied case is extremely ugly"

46 of 182 comments (clear)

  1. Who cares that it's Ugly? by Vladinator · · Score: 3, Insightful

    I don't - I want to run a 2 CPU athalon system as a server for my website, and knowing that it's not going to croak like that one on Tom's Hardware is very important to me. I may just have to get one of these.

    --

    "Going to war without France is like going deer hunting without your accordion." - Jed Babbin

    1. Re:Who cares that it's Ugly? by scott1853 · · Score: 2

      Croak? Do you plan on manually detaching the heat sink while it's running? The whole issue is the cooling device being removed, either by force of by the heat sink clamp breaking. Who's to say that this system won't suffer from that problem. Maybe the adhesive or whatever is uses has the possibility of wearing out.

  2. A dream come true by 51M02 · · Score: 2, Funny

    Entering inside a server room and the only thing you can hear is "gloup".

    --
    --- Bouh !!! ---
    1. Re:A dream come true by Jaysyn · · Score: 2, Funny

      Oh cool, they'll keep animals away & be quieter.

      Jaysyn

      --
      There is a war going on for your mind.
  3. CPU Specs: Under 1Ghz only? by aredubya74 · · Score: 5, Informative
    Seems pretty bloody limiting to me, given the large number of readily available >1Ghz CPUs nowadays. If you're looking for an ultra quiet system with a VIA C3, perhaps their 933Mhz model. These suckers run cool, and generally can use an extremely quiet fan.


    If you want something for the higher-end CPUs, Koolance has had a pre-built waterblock tower case for a few months now. Try one of those.

    --

    RW

    1. Re:CPU Specs: Under 1Ghz only? by Howie · · Score: 2

      ultra quiet system with a VIA C3 [via.com.tw], perhaps their 933Mhz model.

      You say that as if it is of comparable performance. I was looking around just the other day for info on UNDERclocking and passive cooling possibilities, and found
      this comparitive review that suggests for work involving some FP, the 866Mhz version is not much faster than a K6-2/400.

      I held hopes of a silent PC with decent performance up til then. Anyone know anything about underclocking (say) Athlon 1400XP[*] to 900Mhz and the reduction in heat output that would result?

      [*] pick the current processor that is the right side of the 'how much?' price break.

      --
      "don't fall into the fallacy of believing that Perl can solve social problems. Maybe Perl 6 can, but that's a ways off"
  4. This is already being done by Lewisham · · Score: 2, Informative

    Koolance have been doing this for the past year or so. Their cases look *alright*, but not great :( They have two models, the 'silent' model and the overclockers model. Both are at least "pretty decent." [H]ard OCP have a review of the first one, and I think the overclockers model too.

  5. Re:what kind of hard drive does it have? by the_2nd_coming · · Score: 2

    ok...but still, OEMs need to put quiet hard drives in them to make this a truly silent PC.

    --



    I am the Alpha and the Omega-3
  6. oh yeah... by DanThe1Man · · Score: 2, Funny

    But can it keep my beer cold like thouse refrigerator cases? I think not.

  7. Just got mine in by slashdot.org · · Score: 5, Informative

    a couple of days ago.

    I didn't have a problem with the max. of a 1Ghz PIII processor,- this puppy is going in my AV rack, so all I care about is noise. (or lack of)

    However, it is but-ugly, and since I saw the same enclosure for sale in the non-Calm-PC version, I had hoped that I could rip out the cooling system and place it in an other enclosure.

    Well, it seems to be possible,- the PS has normal dimensions. The rest of the cooling system isn't all that crazy either. BUT, the cooling elements are mounted on the side panel of the enclosure. The thing is that this is a customized side panel. It's about twice as thick as the original one.

    This got me a little worried about heat distribution if I mounted the elements on a surface that does not have the same 'body' as this panel. So now I'm thinking, maybe I'll keep the original construction, cut off some of it, and fit the entire thing in an other enclosure.

    I had hoped to creat a horizontal enclosure, but I'm worried that cooling system might not work if the elements aren't mounted in the right orientation.

    Anyways, waiting for my solid-state disk and CPU to arrive so I can start playing around with it. I'll post my findings. :o)

    1. Re:Just got mine in by slashdot.org · · Score: 2, Informative

      Couple of more notes.

      I just removed one of the elements,- it looked like they where glued on, but the good news is that that is just heat-conducting paste. They are just screwed on, and easy to remove. :-)

      I also wanted to mention that most of todays hi-end graphics card (such as the ATI 8500DV which I have) come with a fan installed on the graphics chip. Unfortunately these are not attached using the semi-standard holes but rather glued straight onto the chip. This means, you have to break off the fan and then glue on the CalmPC heatsink. The material that comes with the CalmPC to attach to the graphics card doesn't work. :-(

  8. Oh... stop the PUNishment! by tswinzig · · Score: 3, Funny

    Early glimpses of the plan suggested a system in which water is replaced by a fluid that evaporates over the hot parts of the pc, is then moved by convection to a radiator where it cools, condenses and is returned by gravity to the start of the cycle. Sadly the idea remained vaporware for a long time.

    Sounds like it still is?

    --

    "And like that ... he's gone."
  9. Re:sleeping by Anonymous Coward · · Score: 2, Interesting
    i don't think i could personally sleep at night without the comforting whir of the fans

    You do realize that noise, even if you've grown used to it and are not consciously bothered by it, has been shown to have an adverse effect on you? A constant background noise above 40 dB causes stress thus increasing your blood pressure and affects your concentration. On the long term the stress becomes harmful.

    Combine noisy computers with work related stress, too much caffeine and listening to music at work no wonder the young coders burn out.

  10. component placement by Alien54 · · Score: 2
    I like the idea of the power supply at the bottom.

    Although conventional wisdom has it at the top so that the heat gets sucked out the top. Which raises a whole question of air circulation in the design that is troubling.

    --
    "It is a greater offense to steal men's labor, than their clothes"
  11. Never in my server room by ruvreve · · Score: 5, Funny

    How are you suppose to impress non-techies with your server room, when it sounds nothing like a 747 preparing to take off?

  12. Efficiency by 3ryon · · Score: 5, Interesting

    If I could just figure out a way to let it dump it's excess heat into the cold water line that feeds my water heater, the case would pay for itself! But why stop there? We could run pipes all over the house (to the refridgerator, the Air Conditioner, etc) and dump their excess heat into the cold water line...we may not need a hot water heater at all.

    Ok, it's a loony idea, but I have to find some reason to justify a water cooled PC to my wife.

    1. Re:Efficiency by Anonymous Coward · · Score: 2, Funny

      A stove to remove heat and a refrigerator to add it? Sounds like you need a new stove and fridge...

    2. Re:Efficiency by Chris+Hiner · · Score: 2, Interesting

      Alot of the refrigerators in campers run off either AC, the alternator's DC, or propane. With propane you can get cold without any moving parts. See:
      http://www.howstuffworks.com/refrigerator5.htm

  13. Quieter Fans by PoiBoy · · Score: 3, Informative
    Are all fans really as noisy as some people make them out to be? I have an older Gateway system, and certainly that thing is loud. However, I've also got a newer Dell machine with three fans, and it's whisper quiet.

    Looking through the DigiKey catalog, I've noticed that small fans cost anywhere from $10 to $50. Instead of paying extra money for a water-cooled case, why not just buy fans with better bearings, closer tolerances, and whatnot to make them more quiet? I'm sure there are very quiet fans available.

    --
    Sig (appended to the end of comments you post, 120 chars)
    1. Re:Quieter Fans by dunkelfalke · · Score: 3, Informative

      How to build a fast and silent PC (sorry for bad english):

      Ingredients:

      1 Antec SOHO SX1030B Midi Tower (aka Chieftech cs-601)
      http://www.listan.de/images/products/CS-601 Open.jpg
      This case is really good. You can snap 4 fans in it, it is heavy,
      with easy to mount hdd racks, and no sharp edges you can cut yourself.
      AND you can get it in silver, blue and BLACK *yum*

      1 Athlon XP 1600+, maybe less if you don't mind less performance

      1 Alpha PAL8045 heatsink.
      This one is big and heavy and of an excellent quality. And it can not
      break the socket and fall off, you can't damage your cpu core while mounting.
      It also enables me to mount a 80mmx80mm fan

      6 papst 8412 NGL fans. As I already mentioned it, they are the quietest fans allover.

      1 Enermax EG465P-VE PSU with 431 watt.
      I can already hear you mumbling about this thing is really loud. Yes it is. But we are going
      to modify it a bit. Attention, warranty will be void.

      1 Seagate Barracuda ATA IV HDD
      This one is the most silent of the fast HDDs.

      1 NoiseControl NoVibes III for silencing the HDD even more

      1 packet of noise insulation materials for your pc.

      btw you can order the novibes 3 and the already insulated case at http://www.pc-silent.de
      but it is not very cheap. maybe better doing it yourself.

      1 ecs k7s5a motherboard
      a budget one, without fan (but it's heatsink sucks)

      2 256 mb ddr apacer/nanya
      quality memory, works very good with this motherboard

      1 ati radeon 8500 or 7500
      because they run very cool so you can take the loud fans off and place a big heatsink instead

      2 zalman zm-nb32 northbridge coolers
      that's for the radeon and for the chipset.

      4 DDRRAM heatsinks
      for the radeon, too.

      1 tube arctic silver 2
      this thermal paste is really good

      some foam rubber

      We take carefully the chipset heatsink off, clean it carefully with alcohol,
      then put the first zalman northbridge heatsink with the help of thermal adhesive
      (you get it with the heatsink) onto the northbridge.
      Then we take off the radeon cooler, clean the chip, put a small amount of arctic
      silver thermal grease on it (I suppose you know how to do that), then we mount the
      second zalman heatsink on it. The same thermal adhesive we use on the ram and mount
      the ram heatsinks on it. wait 15 minutes - the adhesive needs time to stick firmly.

      Put the cpu into the socket, attach the mounting washers and so of the big alpha
      heatsink. clean the cpu core and heatsink plate properly, put a small amount of thermal
      grease on the core, mount the heatsink carefully on top of the cpu, screw it firm.
      Mount one of the papst ngl fans onto it.

      Mount the hdd into the novibes 3 and put it into the case. Let the 4 fans snap into the
      fan mouns. We'll go on with them later. Mount the memory, mount the motherboard,
      cdrom, fdd, vga... you get the picture

      open the psu and ripp of the 80mm fan. replace it with the ngl one. you must modify
      the plugs of the fan a little but it is not a problem I suppose. The second fan of the psu
      is speed controlled, so set it to the slowest speed possible.

      Mount the psu, modify the fans to 7 volt (very easy, if you don't know how, ask).
      Stick the insulation plates into your case properly. Inner sides of the cover must be insulated
      with heavy materials.

      Stick foam rubber to the case legs. Doing so you reduce the remaining oscillations.

      Well, here we are. Your computer is almost silent but still cool enough. Maybe even cool enough to
      allow some overclocking. Try it out!

      you can buy the stuff at many german sites like www.com-tra.de, www.pc-silent.de, www.aconto.de and so on.

      --
      "It's such a fine line between stupid and clever" -- David St. Hubbins, Spinal Tap
    2. Re:Quieter Fans by Howie · · Score: 2

      just imagine them modded to 7 volt instead of 12.

      Or you could get the equivalent Papst VarioFan, and have it adjust it's speed as necessary. I'm sure I remember reading somewhere on slashdot why it's not such a great idea to connect the 12V and 5V aspects of your switched-mode PSU in this way. Something to do with exciting failure modes.

      --
      "don't fall into the fallacy of believing that Perl can solve social problems. Maybe Perl 6 can, but that's a ways off"
    3. Re:Quieter Fans by zsazsa · · Score: 2

      One note - I have a very similar case, the Antec SX830. Papst 8412NGLs do have some problem with low-frequency vibrations. When I had 5 of these mounted in the case (in each of the fan spots and one in the HDD rack) the case emitted a bad "growling" noise caused by these fans.

      Papsts REALLY need to be decoupled from the case so these vibrations don't get amplified. Unfortunately the little fan caddies that are used with this case don't allow this. So, instead I've taken all but one of them out, and it's suspended from the HD rack with string. Works well; the case is a little warm but well within my Athlon 1200's spec.

      Ian

  14. But the cost? by nizo · · Score: 3, Funny

    Price delivered ~$202 each. Cost of balls of toilet paper stuffed into each ear so I don't have to hear my noisy case: free if I steal it from a public restroom. Plus I would really miss the feeling of hot air blowing on me as I sit next to my computer. Yeah my components would last longer, but what excuse would I have to upgrade if they didn't burn up now and then?????

  15. Re:about the case... by MoneyT · · Score: 3, Insightful

    The future started in 1998 when the iMacs were relesed with *gasp* no fans, Just a heatsink. Followed shortly thereafter by G4 towers with no fans (except a small one in the power supply). Besides, as someone here already said, the harddrive contributes noise, as well as the CD ROM.

    'sides, I'm still not sure if having liquid running through my PC would be the best thing for it should it be ruptured.

    --
    T Money
    World Domination with a plastic spoon since 1984
  16. Get the American one by Deltan · · Score: 2

    Here's one made in the United States and is highly regarded by many OCers and it looks better IMO.

    http://www.koolance.com/

    1. Re:Get the American one by dstone · · Score: 3, Insightful

      That (American) case sucks. Well, maybe it cools effectively, but the distinguishing feature of the Korean case is that it uses no fans or motors. Less moving parts and less noise is a good thing. The American one has 3 freaking fans on the top.

    2. Re:Get the American one by prisoner-of-enigma · · Score: 3, Informative

      I own four of these Koolance cases and I can say that they are NOT loud. For one thing, the pump is damn near noiseless unless you physically open the case and put your ear on it. Even then it's more of a vibration than a noise.

      The fans on the top are low-RPM ducted fans that are thermostatically controlled. You can set the fans to one of three preset temperature gradients that ramp up fan speed to deal with increased temps. I leave mine on setting 1 (the quietest) and even with four systems in one room the noise doesn't approach even the quietest standard air cooled PC I've ever heard. Although I don't have a noise meter handy, I've got a good deal of experience in dealing with sound levels (I do audio/video work). I'd estimate that the cases produce at best 32dBa of noise.

      Sure, no fans and no moving parts is nirvana, but for heavy duty systems (all of mine are dual Athlon 1800+ XP's) the heat load will overwhelm passive cooling. I give the Koolance cases 3 out of 4 stars for the overall engineering.

      Cons? Well, to start with, the waterblocks they supply are far too fragile. The polycarbonate top portion cracks very easily and overenthusiastic hose clamping will crack it in a heartbeat. I've broken three of them so far (out of 8), all replaced with much better sub-mini copper blocks obtained from Chip at www.overclock-watercool.com. The original rev1 Koolance cases came with all copper blocks that were bulletproof, I wish they'd switch back.

      BTW, my 1800+ dual systems running 3D Studio Max 4 rendering like mad (and running distributed.net clients) heat the water temps up to 92F in a 72F ambient air temp room. I think the best possible air cooling you're ever going to find (even with a screaming 7000RPM Delta fan) couldn't hope to cool one of these puppies down below 100F. In fact, most of them can't keep 'em below 110F.

      Give Koolance a try, your ears will thank you. Just go easy on the hose clamps and you'll be just fine.

      --
      In the end they will lay their freedom at our feet and say to us, Make us your slaves, but feed us. - Fyodor Dostoyevsky
  17. Who needs water cooled when.... by -douggy · · Score: 2

    You can have a -4C vapochill case

    1. Re:Who needs water cooled when.... by -douggy · · Score: 2

      Generally -4C and almost silent running. A few overclockers UK people get 1.4 g athlons to 1.8/1.9

  18. silence on the desktop? by johnrengler · · Score: 2, Insightful

    Didn't the PowerMac G4 Cube run silently? Haven't all of the latest iMacs come without fans?

    Hmmm....

    And don't the new iMacs have a variable speed fan, that comes on when you need it, and rests when you don't?

    You guys should try a new Mac to find out what a quiet machine can be like...

  19. Laptops by guttentag · · Score: 2
    I've always cringed at the thought that not only the is heat my processor is generating wasted energy, but I'm draining my battery further to run a fan to keep the processor cool. Liquid cooling could solve half of that problem.

    Most laptops are pretty tightly packed, though, so it would be difficult to modify this for an existing laptop, but it would be nice if a laptop manufacturer built liquid cooling into one of its models.

    1. Re:Laptops by Jobe_br · · Score: 3, Informative

      The liquid cooling system mentioned in this article doesn't use a pump, read the article and visit the site :).

    2. Re:Laptops by Drakino · · Score: 2

      Pulling up the keyboard on a Compaq Armada M700 will reveal a processor setup much like the case above, except it's a shorter pipeline, and uses a fan when necessary to dispel the heat off the pipes.

      So some laptops are liquid cooled, but with a fan to get the heat off that system.

  20. Nearly passive cooling with PIII Tualatin? by Kryptonomic · · Score: 2, Informative
    Well, lucky you. I guess you're just not sensitive to noise.

    I bought a dual AMD for a while ago. I thought I could make it silent enough, but I'll probably have to sell it now. The noise, although only moderate due to the slowly rotating fans, is still too much even for a daytime working. The hum of two Miprocool CPU fans (80 mm, 1300-3000 rpm and huge heat sink) and a power source was too much even after I padded the case with carpet and soft foam.

    The problem is the huge 60+ W power consumption of the processor. Intel's new Tualatin PIII line has only is rated at only 27 W and I've been thinking about building a new machine based on those and Zalman's passive heat sinks. If the passive cooling isn't enough, I'll get a large, slow and silent fan to move the air around a bit.

  21. I'd like to have one, but oh the maintenance by Typingsux · · Score: 2, Funny
    You have to unhook everything every once in a while in order to take your PC to the bathroom to pee.

    --
    The above post is an editorial, the poster cannot and will not be held responsible for all or in part for it's contents
  22. Re:Watercooled? Bah. by Lars+T. · · Score: 2

    Well, being able to wake up to the noise of a normal alarm clock (instead of an extra loud one) when you're 40 seems to beat that.

    --

    Lars T.

    To the guy who modded me down from perfect to terrible Karma - Apple haters still suck

  23. Re:Wait a sec.... by dstone · · Score: 2

    can't handle one of those fancy new processors we all want

    Well, not all of us. I don't care if my office and high-end gaming machine makes a lot of noise. Some of us want a DVD and MP3 machine in the bedroom or AV room where noise matters and CPU speed doesn't.

  24. It's a � notice by yerricde · · Score: 2, Insightful

    Could the guy possibly be more obnoxious about posting his name all over the review?

    What you're seeing in those JPEGs is part of a copyright notice. Give the fellow a break; would you want credit if somebody else used JPEG images that you created in his own review?

    --
    Will I retire or break 10K?
  25. More and larger fans for a quiet PC? by chrysalis · · Score: 3, Interesting
    Mmmm... Let's see :
    • A small fan turning very fast are noisy. Most PCs have a couple of them.
    • A small fan turning slowly is quiet but inefficient.
    • A large fan turning slowly is quiet and efficient.

    So, what about having boxes with two slow, but very large fans (one on a side to inject air, another one on the other side to reject it)? It would probably be cheap and quiet.


    --
    {{.sig}}
    1. Re:More and larger fans for a quiet PC? by steveha · · Score: 2

      I'm building a PC based on this theory. A case I got from Coolcases.com, modified with two 120mm fans; one, under the power supply, blows out, and the other is on the bottom front of the case to blow in. I'm not done testing it, but so far I haven't bothered to hook up the one on the front; the one on the back pulls enough air through the case to keep things cool enough, and it's quiet.

      I am using the Zalman "flower" copper cooler, a CNPSCU 6000, with a 92mm cooling fan that has a variable-speed control. On its lowest speed, it is keeping my Athlon XP 1700+ (1.46 GHz) CPU cool enough. (I don't think 60 degrees C is "cool", but it is well under the 90 degrees C max for an Athlon XP, so it is "cool enough".)

      I got the Zalman at Coolerguys.com. The guy there asked me what kind of motherboard I am using. I told him: an Asus A7V266-E. He looked it up, and said that some of the larger coolers would not fit well, but that the Zalman should. It does fit, although it is a bit tight: I had to bend the cooling fins slightly on one side, away from the memory slots, in order to fit two memory DIMMs in. The motherboard has three slots for memory, and slot 1, the closest to the CPU, cannot be used at the same time that you are using a Zalman flower cooler. That's okay, I'll survive somehow with just the 512MB of RAM I've got in the other two slots.

      If I feel the need, I can hook up the front case fan too, so I have some safety margin. But I haven't needed that second fan so far. Maybe I should hook it up to a switch on the front panel, in case it might come in handy during hotter summer days.

      steveha

      --
      lf(1): it's like ls(1) but sorts filenames by extension, tersely
  26. PUN and games by Dr.+Awktagon · · Score: 2

    Early glimpses of the plan suggested a system in which water is replaced by a fluid that evaporates over the hot parts of the pc, is then moved by convection to a radiator where it cools, condenses and is returned by gravity to the start of the cycle. Sadly the idea remained vaporware for a long time.

    Sounds like it still is?

    Looks like you made a pun too: cuz that's how a still works!

    Mmm, moonshine.

  27. uhm, heat rises, right? by Dr.+Awktagon · · Score: 2

    Can't they just put an enormous heat sink on the CPU and then put vents in the top of the machine? Like a Mac, or even a TV, or stereo?

    Even if it still needs a fan why not point the damn thing up??

    It seems to me the equivalant of trying to make toilets flush to the right instead of down.

  28. Ugly by Alsee · · Score: 2

    Too bad the supplied case is extremely ugly

    You think the case is ugly?? Did you see the bright tangerine background on the review page? Now THAT'S UGLY!

    -

    --
    - - You can't take something off the Internet! That's like trying to take pee out of a swimming pool.
  29. Nothing about a GFCI! I run watercooled.. by xtal · · Score: 2

    They overlooked something that might be life saving, and that's the installation of a GFCI outlet. It's very easy to do, I built one for my watercooled machine on a extension cord. Without one, a (rare) but possible failure of the pump could mean that current decides to return to ground through you. Ouch.

    For what it's worth, I run a custom watercooled setup that I managed to get squeezed completely inside a standard PC case. It works great, no problems. I still need intake/exhaust fans, though, and until I put an intelligent controller in it isn't that much quiter than a normal setup in a good case. It works a lot better though :).

    --
    ..don't panic
  30. Re:I couldnt live without it.. by budgenator · · Score: 2

    In Graffenwhor in Germany, they started shooting artillery in 1912 and other than 4 hours on sundays, all of Christmas and New Years day, and four days when Patten took it over as WWII ended, the artilery firing is constant. When I got home, after three years there, I had nightmares for two weeks until I got used to not hearing constant explosions in the background.

    You would be amazed at what kind of noise you can get used to when sleeping, it's usualy the change that bothers you the most.

    --
    Apocalypse Cancelled, Sorry, No Ticket Refunds
  31. Sure, it may be ugly by NeuroManson · · Score: 2

    But it's just SCREAMING for case modding... I can see some groovy blue graphical LCD/LED displays in the top dome spelling out heat, power consumption, cooling efficiency, etc... Carve some holes in the side for a black light, then color the coolant with any flourescent dyes (or antifreeze if that can flouresce), then mod the top to look like some kind of a head with the display as a visor, and, and...

    Jeeze, this is like the Denis Leary joke about smoking pot to avoid going into carpentry...

    --
    Just because you can mod me down, doesn't mean you're right. Shoes for industry!