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[TPU] Prolimatech Unveils Megahalems Basic CPU Coolers - Page 4

post #31 of 38
can't wait for the reviews! biggrin.gif
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post #32 of 38
http://www.techpowerup.com/192625/prolimatech-announces-basic-series-cpu-coolers.html
Wednesday, October 16th 2013
Quote:
With premium (>$50) CPU air-cooler market getting hammered by low-cost all-in-one liquid cooling solutions, premium CPU cooler manufacturers such as Prolimatech are feeling the heat. The company launched its first line of low-cost CPU air-coolers under the Basic series. The coolers come in five sizes, and feature no-frills designs that make use of aluminium and copper. The series includes the Megahalems Basic, which was launched this January, which is now rehashed as the Basic 84. The series starts off with the Basic 45. Measuring 100 mm x 55 mm x 125 mm (LxWxH), it weighs 288 g, and features a simple aluminium fin tower with a pair of 6 mm copper heat pipes. A 92 mm PWM-controlled fan is included, which spins between 1000~2000 RPM.

Next up, is the Basic 48, which is a step up over Basic 45. It has the same exact dimensions and included fan, but weighs a higher 309 g due to a third nickel-plated copper heat-pipe. A notch above the Basic 45 and Basic 48 is the Basic 65. Measuring 130 mm x 50 mm x 148 mm (LxWxH), it features an average-sized aluminium fin tower to which heat is fed by three 6 mm-thick heat-pipes, and ventilated by a 120 mm PWM-controlled spinner that revs between 600 and 1,600 RPM. The Basic 68 is its premium twin, which features four heat-pipes.

Lastly, there's the Basic 81, which as we mentioned earlier, is a re-brand of the Megahalems Basic. It's shaped exactly like Prolimatech's iconic cooler, measuring 130 mm x 75 mm x 158 mm (LxWxH), weighing 748 g. It uses six 6 mm-thick nickel-plated copper heat-pipes to distribute heat between two parallel aluminium fin stacks. The included 120 mm PWM-controlled fan spins between 600 and 1,600 RPM. Prolimatech didn't announce pricing or availability details.

Source2: http://www.ocaholic.ch/modules/news/article.php?storyid=8112

Where to buy page: http://www.prolimatech.com/en/where/index.asp?itemid=22

Basic 81 seems like it will be a failure if it's stainless steel (much less heat conductivity): Aluminum is about 150 to 200W/(m*K) and stainless steel is around 10 to 34W/(m*K) ... hopefully people don't fall for it and buy them thinking they are Megahalems. I bet a lot of Ebay scammers will sell it as Megahalems. There's already the Alpenföhn Brocken 2 (~£40) which looks sort of like a copy, but without the etching on the top of the fin stack. If the Basic 81 turns out to be Aluminum (just without polish / coating or the same build quality, for product segmentation) instead of Stainless steel then it'd be a contender. I'm pretty sure people wouldn't mind a few minutes of fine grit sandpaper / buffing wheel action on a machined base if it comes at Thermalright Macho pricing.

From the product lineup it only seems that the Basic 68 (120mm fan) is worth looking at , it comes with PWM 120mm Double-Ball Bearing fan and packs four 6mm heatpipes and works on LGA2011 (Basic 65 doesn't list LGA2011). The other difference seems to be that the Basic 65 is shorter by ~10mm and loses a heatpipe (which would make it about as effective as a Hyper 212 Evo). The basic 45/48 has a 92mm fan.

As far as cost goes OCUK has preliminary pricing:
Basic 45 = £17.99 , 125mm high ... pitiful 2 exposed copper heatpipes ...
Basic 48 = £21.95 , 125mm high ... 3x 6mm heatpipe ...
Basic 65 = £27.95 , 148mm high ... 3x6mm heatpipe ...
Basic 68 = £31.99 , 158mm high ...4x6mm heatpipe ...
Basic 81 = £34.99 , 158mm high ... 6x6mm heatpipe

Compared to: Prolimatech Lynx £22.99 3x heatpipe 120mm fan (so Basic 65 is overpriced) , Panther £32.99 4x heatpipe 120mm fan (Basic 68 is about right)

Can these compete with the likes of the revised (i.e. nickel plated) Thermalright True Spirit 120m , Macho120, Macho, and Thermalright True Spirit 140 (running ~$30-40 and £25-30)? I don't know but doubt it...

At the lowend there's the Raijintek Aidos with 4 x 6mm heatpipes + 92mm fan as well as Raijintek Themis (120mm , three 8mm heatpipe) going for ~£20 and while they're cheap & not made to the same standards , they provide respectable performance.

As a benchmark the Cooler Master Hyper 212 Evo that is so damn popular and comes with a lame Cooler Master fan runs ~$20-30 has 4 copper heatpipes with no nickel plating. The successor Hyper 212X will be similar , with a slight fan improvement and tweaking to airflow across the top of the heatsink plate.
Edited by AlphaC - 11/11/13 at 9:37am
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post #33 of 38
The Megahalems has always had one steel cap fin for protection, but the rest of the fins, even on this model, are almost certainly not steel.

Steel is less expensive per unit of weight, but aluminum is easier to work with and you need much less of it. The cost in material differences, for a CPU heatsink, is not enough to make anyone with anything resembling any sense, consider steel as a viable material.

Steel's thermal performance is total crap compared to aluminum and any possible material savings would be negated by increased manufacturing difficulties and shipping costs, not to mention the fact that no one would buy it because cheaper aluminum heatsinks would perform better.
Quote:
Originally Posted by nubbinator View Post

That link supports that it's compression fitted, but is ambiguous on your second claim.
You can tell by looking at the fins in the comparison pictures that the metal used in the fins is definitely different and the quote shows that there are stainless fins. Whether or not the whole thing is stainless is the question.

My claim is less ambiguous than the statement that the Earth is nearly spherical.

When a new story comes out and says something so phenomenally, impossibly, stupid, chances are it's wrong. Not that people don't do stupid things, but Prolimatech knows damn well that a predominantly steel CPU heatsink would be tantamount to shoveling money into a fire. Given that they seem to actually be good at designing heatsinks, and moderately profitable, I have to assume that the article is mistaken.

This new article essentially confirms the inescapable and obvious conclusion that the fins are aluminum.

This was never really in question.
Edited by Blameless - 11/11/13 at 10:25am
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post #34 of 38
Quote:
Originally Posted by AznDud333 View Post

i thought the original was stainless steel...and stainless steel cost more than aluminium

Also stainless steel has less thermal conductivity than aluminium. frown.gif
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post #35 of 38
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post #36 of 38
Quote:
Originally Posted by Blameless View Post

Techpowerup goofed. Look at the original source ( http://translate.google.com/translate?sl=auto&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&eotf=1&u=http%3A%2F%2Fwww.expreview.com%2F23433.html&act=url ) .

Fins are still aluminum, just compression fitted, not soldered to the heatpipes.

Steel fins would be idiotic, as it would weigh twice as much, cost twice as much, and have terrible performance.

Read the whole thread guys! @Blameless already stated it's not stainless steel.
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post #37 of 38
Are these available anywhere? One of these would be good to replace the stock cooler in my server.
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post #38 of 38
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