Heat Pump Promises Extreme Coolness

Active Cool announced the official launch of its new AC4G-D CPU cooling system, a revolutionary thermo-electric cooling system designed to address the looming processor heat crisis in the PC industry. As PC processors continue to get smaller and faster, CPU heat will remain a significant challenge that will ultimately threaten the reliability and stability of the PC. Active Cool's Thermoelectric based AC4G-D solution has the power to cool the most advanced Intel Pentium 4 processors and the new AMD K8 processors.

In just three years, computer processor speeds have increased from 500 MHz to more than 3 GHz with Terahertz speeds not too far away. As processor speeds continue to increase, so does the amount of heat generated, making it critical to find ways to overcome this problem.
In Comdex 2002, Active Cool introduced the first AC4G Thermoelectric Cooling; at that time it was in PCI Card form factor and cost twice as much then as does the new AC4G-D now. Active Cool's New Thermoelectric Cooling is now released and introduced at CeBIT 2004 trade show.

Active Cool's Microprocessor controlled Thermoelectric Cooling has the potential to be a significant technology and definitely a compelling solution to CPU and other semiconductor heat problems.

The new product AC4G-D -- Microprocessor controlled Thermoelectric Cooling (Peltier) in Drive Bay form factor has high cooling performance and works very quietly.

Conventional air cooling solutions, heat sinks and fans, are near the limits of what they can achieve. Today's alternative solutions, such as liquid cooling and vapor-phase refrigeration are expensive and impractical for PC manufacturers to incorporate into new computers. Active Cool's AC4G-D technology is uniquely designed to solve the problems of CPU heat and fan noise effectively, while being ideally suited for installation during computer assembly.

In addition to the CPU heat problem, computer noise is becoming an increasing concern. While most PC noise tends to be generated from cooling fans, it can be disruptive as excessive computer noise can negatively impact a PC user's office productivity. While traditional cooling methods run fans continuously, causing increased noise as fan speeds increase to maintain stable temperatures, AC4G-D dynamically reduces PC fan noise by pumping heat out of the processor using a Noise Reduction Microprocessor controlled electronic heat pump.

Geared towards the global PC OEM, and white box manufacturing markets, Active Cool's innovative AC4G-D solution addresses both the heat and noise problems.

Active Cool's new AC4G-D product has the following High Tech features:

- Microprocessor-controlled thermo-electric cooling Technology

- Dynamic -- Cooling on Demand according to actual CPU load

- In typical application, cools down to 28 Deg C (tested with 3.2 GHz P4)

- Significantly reduced PC fan noise

- Cools Intel Pentium 4 3.4GHz+; cools new AMD 64 processors

- LCD display for temperature monitoring and mode select -- noise/cooling

- Installs in any PC in less than 90 seconds, suitable for PC OEMs

The AC4G-D product will cost Euro 59 (MSRP) compared to liquid cooling solutions that cost from Euro 100 to 175. The price of 59 Euro marks a reduction in price of 50 per cent, compared to the first AC4G that was introduced at Comdex (November) 2002. The AC4G-D will be available for commercial sale by April 2004. The products and technology will be showcased at CeBIT 2004 Trade Show.
Active Cool Technology has four world-wide patents pending (PCT), and one Granted in USA.

For further information follow the download tab above.

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Heat Pump Promises Extreme Coolness

As usual, several garden variety idiots post here. As for this, what they do not tell you is that peltier technology produces cold indeed on one side of the system which will in fact be so cold that you can probably see some frost but what they do not mention is also the heat one of these things will produce underneath. To put it lightly, you can fry an egg with the heat generated underneath and considering how this works, you do not want to even think about having any pci cards underneath that peltier when its fully charged not unless you want to turn your soundcard or eathernet card into a mass of melted silicon.

Heat Pump Promises Extreme Coolness

wow, PS2 is not a better product you nub, if you knew anything about technology you would know that PC's are better.the only reason why you cant grasp the why PC's are beter is becuse you know nothing about computersthe main reason consoles exsist is for nubs that dont know anything about PC's because they are'nt into it enough, all console games are limited for game-handicapped people. and it really pisses me off when good titles are ruined because they are made on multiple platforms and not just on PC, so thus it is limited in everywayso that nubs can grasp the concept of it and also the hardware in PC's is suppior in everysingle way, a PS2 has 294Mhz proccessor, an average computer is 2,500Mhz proccessorand dont go off saying that compters still arent as good graphically,(probably from a nubs own experience) because that just goes back to the point that nubs dont know how to build and maintain PC's, they dont even know a good PC from a bad one.so to tell the complete and utter truth, PC>PS2(and all other consoles)also, the f**kin idiot that started the whole PS2 thing, consoles being better has nothing to do with this topic about a CPU cooler

Heat Pump Promises Extreme Coolness

"I'm confused as to exactly what it does/how it works."Most thermal displays work by monitoring and controlling multiple fans inside the system. This one, however, sounds like it will have it’s own special cooling system (like an air compression, or liquid cooling system). Sounds pretty promising. I’ve been saving up for a gaming PC and I’ve been looking for a good cooling system and monitor. I’ll have to keep my eye on this one.

Heat Pump Promises Extreme Coolness

f**k this, trust Megagames to put bull shit news stories like this! ThermalTake already released a very similar kit a couple years ago and custom peltier cold plates have been available for even more years.Somehow this company is trying to fool noobs into thinking this is some amazing new technology and they are using all kinds of BS jargon like 'Noise Reduction Microprocessor controlled electronic heat pump' to sound so technical. I am laughing my ass of here.Let me explain:This technology is very old, its based on the 'peltier effect' which was discovered nearly 200 years ago. Basically this kit is just a normal heatsink and fan except it has a special 'cold plate' which sits between heatsink and CPU. In simple terms, electrons flow through the plate, sucking the heat away from CPU and into the heatsink- the top side of the plate(touching the heatsink) gets very hot and the bottom(touching the CPU) gets very cold.This is a very shitty kit for noobs and isnt much better than a normal cooler. If you want to do it properly buy a custom plate and water cooling gear and you will be able to get your CPU less than 0 degrees C. But you gotta be carefull cos at such a low temperature, water will condense around CPU..... and you know what happens next

Heat Pump Promises Extreme Coolness

oh and the kit comes with a PCI card which just acts as a power supply for the cold plate and monitors the temperature to control the fan speed etc. You also get a drive bay display which just tells you the fan speed and temperature and has USB ports(?)

Heat Pump Promises Extreme Coolness

You guys all seem to have missed the point on this one! yes this is old tech, yes you can get far more powerful equipment off the shelf and get your cpu down to absolute zero blah blah blah. That is not the point of this kit, it very cheap and its sounds like a complete package that lets ordinary people use some advanced kit. its all very KISS and this can only be a good thing, cause my computers really loud and thats with only the stock fans, I dont want to spend loads on a potentialy troublesome water cooling system (even though they are v cool) And because the THERMOCOUPLE (read up on your physics!) can handle far higher temperatures than any silicon chip, you can crank it up, put a huge passive heatsink on it, and because they get more efficent the hotter they are, you dont have to botter with a fan...HORRAY a QUIET pc!And its a black box solution, which is the whole point...not hardcore cooling/overclocking!

Heat Pump Promises Extreme Coolness

this is a pointless cooling system that will not cool as well as it could...thermaltake has already made a TEC cooling just like the one in this article...TECs are useless when fan cooled...only when they are water cooled they perform at -degree temps

Heat Pump Promises Extreme Coolness

mr oddman, you have missed the whole point of this system! this is not aboot getting your pc cold enough to make ice, its aboot the ever increasing cooling demands of modern cpu's. Anybody who knows anything about physics will tell you that cpus cannot all that much faster before you need something better that a normal heatsink and fan to cool it. this is where this kind of tech will come in, water systems will never really get into the mainstream (no pun intended) because the risk to all your expensive kit is too high. systems like this will become comon on high end systems simply because the hot junction of the thermocouple can run in the hundreds degrees compared to silicon needing to run well under 100. And read the specs of the system, 89 watt thermocouple...lots of cooling!

Heat Pump Promises Extreme Coolness

Thermaltakes dodgy half-assed version of TEC was a complete disappointment, like much of their products. Thermaltake were the guinea pigs to companies like this, allowing them to spot out errors and compromise on design. Someone noted about the heat it produces that could melt any card beneath it... while he was shut up, it wasnt clarified. The ORIGINAL TEC displayed at Comdex 2002 was in pci form, but at the CeBIT 2004 trade show, they unveiled the revised 5.25 in. ba model, much more effective, that's my 2 cents, gg all.

Heat Pump Promises Extreme Coolness

Cool. i was looking for a new quiet cpu fan today anyway, now this pops up, so i just bought one.It looks pretty good for the price, not much more expensive than a regular heatsink and fan, plus it cools better. I don't see the problem with it.

Heat Pump Promises Extreme Coolness

I just dont see how this can make any damn sense... "AC4G-D dynamically reduces PC fan noise by pumping heat out of the processor using a Noise Reduction Microprocessor controlled electronic heat pump." where does the heat go? to the heatsink you say? what about all the energy going into the TEC? seems to me that it would need a more powerfull fan. I have worked with TECs on laser diodes. when one side isnt getting cooled fast enough they just heat EVERYTHING up. 2 points for the cool looking drive bay thing...

Heat Pump Promises Extreme Coolness

me again,The idea with systems like this is to mount a huge passive heatsink on the hot junction and run the thermocouple at 100 degrees+, this seems a little extreme and would work best if the 'couple and 'sink are outside the case...at this kind of temps the 'couple will be fine and the heatsink will be efficent enough to not need a fan (temp differential and all that) systems like that are several years away, because they will require special cases, and heat pipe setups...This kit is the first step on the ladder for ACTIVE cooling systems, its not going to be the most amasing cooling system in the world and yes it will up the overall temp inside your case (conservation of energy and stuff), but you have to walk before you can run :)

Heat Pump Promises Extreme Coolness

What my concern is, this seems somewhat TOO cheap...The problem with peltier cooling is, the moment you fan fails (and cheap ones do very quickly) it will either fry you CPU, or any other object on the heat dissipating side of the peltier plate.Also, how safe is it concerning booting (frost/condensation problems) and how much power does it draw (if it means installing a heavier power supply, and it probably will, it also means another device that produces extra/more heat into your system)Anyway, just my €0.02[url removed]

Heat Pump Promises Extreme Coolness

Never mind, found it...Appearantly this cooler (mind you, this is just for cooling your CPU!) draws somewhere between 80W and 90W, that alot for cooling)During this it creates about 25 - 40 dBA noise...not too much...That sonly leaves the fans on your powersupply, your videocard, you case, etc....

Heat Pump Promises Extreme Coolness

I'm just using some HQ copper/alu based heatsink together with this coolermaster aero 7 (the "non traditional fan").The temperatures of my CPU arent getting higher than 37 celcius, so whats the problem??? The noise? The aero 7 produces LESS noise than any other "standard fan" i know!!!

Heat Pump Promises Extreme Coolness

the unit draws about 65 watts in maximum thermal stress.the heat it can pump is 122 wattsthere is no condensation issue,there is no problem of fan failureas it will be automaticalt shut down.in normal operation - office, word,surfing the net, the temp will beabout 22 Deg C. and drwas only about 20 watts.it is dynamic Active Cooling andthis is why the fan will be quiet most of time. the fan have 4 steps6,8,10 12 volts and it is controlled by the chip f Active Cool . also it controlles up to 5 case FANS to reduce the case fan noise. the increase in temp inside the case is about 2 Deg C at max stress ( tested with 89w CPU ) withtower case with 2 fans. so it is very low.the heat sink is high quality fullcopper ( AMD64 ) or copper base aluminum heat sink ( INTEL P4 )we found that we have the best performance for AMD64 and one of the best in INTEL P4 at max stress.at mid low thermal stress we areby far better then any heat sinkincluding water cooling.( in typical application the temp is 22 to 25 deg C while the ambient is 25or more.. so it is even below ambient - no other cooling can do this ( except vapor phase - but this one will cost you 500$ and massive installation of custom PC..you dont want that... )the user can select quiet or cooling modes ( more orientation tocooling or quiet but at max stressboth will give max cooling ).thermoelectric finally evolvedPatent patent pending Technology.Active Cool - Israel[url removed]

Heat Pump Promises Extreme Coolness

**k this, trust Megagames to put bull shit news stories like this! ThermalTake already released a very similar kit a couple years ago and custom peltier cold plates have been available for even more years.""You noob..Active cool has also.This isnt their first set dude.This is the latest revised with alot of testing before its release.I have one myself and all i can say is that the product rocks !!.All tha jibberish about fan failing etc..??...SO WHAT !!It has a shutdown protection as the fan itself is connected to the proccesing unit.Oh and BTW..The cooler comes with both pci and 5 1/4 controller options.And in both cream and black colour.FFS if you havent seen a product first hand dont flame it next time...

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