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[Review] k|ngp|n Cooling Liquid Nitrogen Containers – Pushing to the Limits


Posted by miahallen on 28 Jun 2011 / 3 Comments
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The Dragon F1 Gemini

Dragon F1 Gemini - courtesy of kingpincooling.com

Dragon F1 Gemini – picture courtesy of kingpincooling.com

This is arguably the best-designed CPU pot on the market today. The Gemini sells at KPC for only $225. This is the 3rd generation of the Dragon line, and is the first to employ KPC’s new modular design. This allows for user-switchable base, with two bases included in the price. Having a modular base has helped lower the price by cutting down the manufacturing cost, but the main purpose is to allow for flexibility. For instance, the FAST base, which is also known as “slayer,” has a large surface area for maximum contact with the LN2, and is perfect for use with AMD CPUs which do not exhibit any of the so-called “cold bug” behavior. The SLOW base has less surface area but more mass, which allows for easier temperature control when overclocking a CPU with a cold bug.

Dragon F1 Gemini

Dragon F1 Gemini


The FAST base

We tested the fast base on an AMD Thuban six-core CPU. Unique to modern AMD CPUs is their ability to operate at temperatures approaching absolute zero, as has been demonstrated on several occasions by famous overclockers (including k|ngp|n himself) pushing the Phenom II architecture to extreme speeds using liquid helium, which has a boiling point of -246C. [Note: The Gemini is not designed for use with liquid helium.] However, when overclocking Phenom II using liquid nitrogen, the goal is obviously to keep the CPU as cold as possible. In order to accomplish this, a container with a very large surface area is very important, so that the liquid nitrogen has a larger potential for heat dissipation. With the FAST base, we were able to keep the AMD Phenom II X6 CPU very close to the temperature of the LN2, even when running a very high load test like wPrime 1024M.


The SLOW base

We tested the SLOW base with several Gulftown-based CPUs. These chips are monsters, and generate a tremendous amount of heat when pushed to their limits, but also typically suffer from CB and the cold boot bug (“CBB”) tendencies. So, to properly push these CPUs to extreme levels, it’s essential to be able to accurately control the temperature of the CPU to avoid the danger zones where the CPU could lock up during or after a benchmark. With a smaller surface area and slightly more mass, the SLOW base reacts slower to LN2 as it’s applied, and temperature swing is minimized.


Next: A closer look continued…

Pages: 1 2 3 4 5 6

Written by miahallen

Well, I was playing with computers ever since my Dad got a Commodore 64 when I was 6 years old (1986), when I was 10 (1990) he bought a custom build 486DX33, and I was in love. Mostly back then I was just a kid playing games, but my fascination with computers had a start. Because I had no money of my own, I was stuck playing with my Dad's computers, and really couldn't "play" too much. So in 1998, the year I graduated, I spent some of my college savings to by a "computer for school", haha. It had two Voodoo2 12MB 3D accelerators in it, so you can imagine how much school work was done on it ;-) It had an AMD K6-233 that I had a really mild OC on, but my custom computer builder friend Aaron had done all the work. So I can't really take the credit there. My fascination with graphics just kept growing and growing over the years, and I was constantly in a struggle to keep my games looking as sharp and smooth as possible. OCing played a big role. My whole world was rocked in 2004 when I was deployed to Iraq as a US Army soldier. The whole year I was there I had a cheap IBM Thinkpad R40 with a 2GHz Celeron, 1GB DDR-333 RAM, a 60GB 4200RPM HDD, and ATI Radeon Mobility graphics (same technology as a 7000 series with only 16MB of memory). It started out rough as I was really into Command and Conquer Generals at the time, and the machine would only play the C&C slide show LOL. So, I downloaded PowerStrip, and OC'ed the GPU by 40%...amazingly, the game was playable! Things changed dramatically in 2007 when I met a guy named Matt while I was stationed in Japan. He introduced me to www.ocforums.com, and the "Benchmarking Team" there. I had not had much interest in benchmarking previously, I always though of myself as more practical. But, I thought I'd play along and I joined the team. My first introduction to an actual competition was was is "The Raptor Pit", "Forum Warz 2008" in the spring of 2008. I was running a Q6600 and an 8800GTX. With air cooling I was able to bench my Q6600 at over 4GHz, and tore up the competition in my class. Overall OCF won the Forum War in 2007, Winter and Summer of 2008, and 2009...that means five in a row. I was not part of the first one in 2007, but the four since then, I have participated in. After winning the 2008 Winter and Summer Warz, Tom's Hardware Guide announced they were looking for nominations for individuals to compete in their first ever international overclocking competition, called "Overdrive". I was nominated, and chosen to compete in the North American semi-finals in Los Angeles in November 2008. I was placed on "Team IRONMODS" as they only had two guys, yet three man teams were allowed. We won the semi-finals in LA, and our prize was a trip to Paris the following month, to compete with the best in the world. The following month, Ton, Jake, and myself flew to Paris as "Team USA" to face off against the best from Taiwan, France, Germany, and Italy. It was a very intense competition, but after two heated days of battle (16 hours of benching), we emerged the victors. Amidst our celebration, Ton and Jake officially invited me to join "Team IRONMODS" on a permanent basis, and I graciously accepted. Ton, aka "TiTON", is a world renown case moder, and is also very well known for some of the AMD overclocking he has done. Jake, aka "CPT.Planet", is a genius overclocker, and a really fun guy. The team has a great synergy when working together, we really have complementary styles. After winning the world championship in December 2008 things were a bit quite for a couple months, then in the spring of 2009 I received an invitation to the 2nd annual Gigabyte Open Overclocking Championship "GOOC". I would compete in the North American semi-final in LA, where the winner would win a ticket to the world championship in Taipei Taiwan during CES in June 2009. The competition was tough with 14 of the best from North America gathering for a 1 on 1 competition of OCing. But once again, I completed the competition well, and rose above the others. I won 1st place and the trip to the world finals in Taipei. My luck ran dry in Taipei where I started off with a bad motherboard, and went through 5 more during the course of the competition due to various reasons. Despite the poor finish in Taipei, I have high hopes to redeem myself next year.

3 Comments


EnJoY
2 yearss ago



Fantastic review Miah!

Tuesday News, 28th June 2011
2 yearss ago



[...] k|ngp|n’s LN2 Extreme Cooling Lineup @ TechReaction [...]

GSG-9
2 yearss ago



Great review and clocks on the Gulftown Miah!


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