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SIBAK Tech’s AC-02-625B cooler review

1st Impression’s:

Well when I received this cooler and opened it’s box, (a fairly normal box, without any flashy colors or pictures...), I remember thinking to myself: "What a great looking cooler !", and infact that’s what it is, a really good looking cooler ! It’s design isn’t like the normal coolers, it’s innovative, and Sibak’s designer’s did a great job in this point, with it’s curved fins coming straigh out from the aluminium surrounding the copper core, with it’s aluminium and it’s fan protection’s all shining like it was silver ! :)

This isn’t a small cooler, but it isn’t that much big also, so I think it will fit fairly well in any Socket A / Socket 370 motherboard ! It has a good construction, there are almost none manufacturing marks and the one’s that can be seen using the "naked eye" are very small, the base is smooth and with little imperfection’s on the aluminium part and none in the copper core part. The base came protected with a sticker for preventing impurities to get in the core zone, so that when the user install’s the cooler there isn’t anything preventing a good thermal transfer from the cpu thru the thermal paste interface into the cooler’s core, and this is a simple but effective good addicion to the cooler, showing that SIBAK care about their image, that passes to the users, of quality. One thing I didn’t like about the cooler is it’s clip, it doesn’t use all of the socket’s potencial, since it only clips to one of the socket’s three prong’s. Besides that it must be cliped with the help of a screwdriver, it would also be nice to see a more easy clip, like the ones that have an easy cliping mechanism, that we can grab by the fingers and clip it manualy, but this clip does the job and that’s all we need. The box also contained a small package with a silicone thermal compound, but it would also had been nice seeing this cooler being acconpanyed by a good thermal compound, like Artic Silver or some other thermal silver paste, since this is the top cooler from SIBAK Tech and it diserved better than just a simple package of silicone compound. All in all, this is a good looking cooler and that gives me a general nice impression about this product and SIBAK Tech cooler’s, since it look’s to have been well built, and with much quality ! Now let’s go over to the Technical Specs.

Technical Specs:

Heat Sink Material: aluminium and copper

Copper Core Diameter: 1,9cm

Cooler Dimensions: 6,9*6,6*6,9cm

Heat Sink Thermal Resistance: there isn’t an accurate way to know, since it depends on the fan being used with the heat sink, if it has more air flow: the thermal resistance will drop, if it has less air flow: the thermal resistance will rise. And as the cooler’s might be bought with diferent fan’s than the one’s we use here I won’t be using the thermal resistence as a mean for comparing or getting any conclusion about the quality of a cooler and it’s performance compared to others !

Fan Brand: Everflow

Fan Model: F126025BU

Fan Dimensions: 60*60*25mm

Fan Voltage: 12v

Fan Current: 0.34 AMP

Fan Power: 4,1W

Fan Speed: 7000RPM

Fan Air Flow: aproximatly 38CFM

Fan Noise: about the same as a Delta 38CFM so you can hear that it’s noisy ! L

The Test

The test will be done with the following components:

Motherboard: Soltek SL75 DRV2 (with integrated cpu heat reading)

CPU: AMD Duron 650MHz overclocked to 866MHz running with extra vcore, all this so that it will produce more heat !

Thermal Paste: Silver based.

The rest: A mid tower with no extra fans, just one on the psu getting the air out, fully closed, with 2 hard drives, 1agp video card, 2pci cards, 2 cd-rom drives, plenty of cables (no round cables), this system is to try and get the most close as possible to a normal every day user system and not a fully overclockers aluminium case, filled with fans, round cables, holes and etc... So that your test results can be compared to the most users possible ! And not just by overclockers. Because here the real thing being tested is the heatsink and not the rest of the cooling stuff you might have on your case and that might be afecting your overall cooling performance ! Alias this is one of the rulles I use when testing the material, to make the system in wich I test the heatsink the most similar possible to the most users, that don’t have anything else in their computer boxes to improve the cooling of their cpu and overall system besides the fan on the psu and the cpu cooler, some other rulles are: we use the same tipe of fans for all the coolers reviewd here ! And that’s because some other sites make coolers roundups in wich cooler is tested with a fan with diferent air flow, and then they post a page with the different coolers all compared by their thermal resistence, wich of course will be different if they had used all the fans with the same air flow, as I here intend to test the quality of the heatsink for itself and not to fool the reader, I will be using fans with the same air flow ! All heatsinks, being 60mm or 80mm fan cooled will have fans in their test rated to output 38CFM ! So that the results can be compared among themselfs without fooling anyone, with this idea I have managed to compare only the quality of the heatsink for themselfs without any type of secondary artifact, since I will be using the same computer and fan system every time I review a cooler ! As I don’t use the thermal resistance of a cooler for getting my results, I will base them on two temperatures, and used them when I compare coolers, and Idle temperature, taken after the pc starts to work, but doesn’t really does nothing, and a full load temperature, obtained after running an hour and a half of the following softwares all at the same time: Prime95, SETI@Home, MusicMatch Jukebox playing a never ending playlist of mp3 and oppening several web pages, and gaming Delta Force ! do you think this is enough ?! hehehe ;)

Well now after having boored you to death, with all this testing stuff let’s see the results and conclusion’s ! :) (Bet you’re thinking: "finaly thank God !" lol)

Results and Conclusion:

Well after having tested this cooler this are the results, here are the temps:

Idle: 38ºC

Full Load: 41ºC

Well I must say this is infact a good cooler, till the moment this is the best i’ve had my hands in ! But one thing is to note: the copper base was not in full contact with the cpu core, a small part of my Duron’s 650MHz processor was in contact with the aluminum part of the cooler,I can’t say if this appen’s with an AMD Thunderbird or XP cpu, because at the date of the review I could get any of this two kinds of processors to help in the review.