| Cooler Master Hyper 612 PWM Heatsink |  |
| Reviews - Featured Reviews: Cooling | |
| Written by David Ramsey | |
| Wednesday, 27 July 2011 | |
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Cooler Master Hyper 612 PWM CPU Cooler
Manufacturer: Cooler Master Full Disclosure: The product sample used in this article has been provided by Cooler Master. Cooler Master is a name well known to enthusiasts for their extensive line of enthusiast computer equipment, including cases, CPU coolers, power supplies, and more. They're probably best known for their coolers, though, and today Benchmark Reviews has the Cooler Master Hyper 612 PWM to test against a collection of other coolers. This appears to be an update of Cooler Master's existing Hyper 212 cooler, but how will it perform? Putting it up against an overclocked and overvolted Core i7 950 processor will reveal all. As CPU design migrates to a 32nm process (such as Intel's new Sandy Bridge processors and AMD's forthcoming Bulldozer CPUs), power consumption and heat production go down, and the need for monster cooling systems decreases. But there are still a lot of very hot CPUs out there, such as the overclocked and overvolted Core i7-950 I use in my heat sink test machine.
Any CPU cooler's primary task is to cool the CPU. Since retail CPUs come with perfectly adequate coolers, the main reason to buy an aftermarket cooler is for conditions that the stock cooler can't handle...namely, overclocking. The Hyper 612 PWM is Cooler Master's latest entry in the field. Cooler Master Hyper 612 PWM Specifications
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Comments
I'm pretty amazed that they get such good performance out of this unit, with the low mounting pressure they designed in.
A hint on the acetone - look for nail polish remover, which is frequently stocked by the female residents of the house.
I'm pretty sure that's wrong. Per Intel, accuracy of thermal measurements is greatest as you approach the Tcontrol point.
#download.intel.com/design/intarch/papers/322683.pdf
"PECI is most accurate near the maximum temperature (PROCHOT#) and it is
accurate enough for fan speed control in the TCONTROL range but it can be very inaccurate at low temperatures." pg 19
Same also applies for DTS. See page calibration and variance graphs on pg 8 and 9 of the document.
Given this, the thermal measurements are MORE accurate as you approach Tcontrol and less accurate and temps get lower. Therefor, the degree of accuracy is not constant, but rather temperature dependent.
"Although each processors DTS is factory calibrated, the accuracy of the DTS will vary from part to part and may also vary slightly with temperature and voltage."
#download.intel.com/design/processor/designex/324644.pdf
I was a little put off by all that. So many people said oh it runs cool it runs cool .. you can hit 4.4G with the stock fan. Sure.. you can but it certainly won't run cool.
Anyway.. overall a great review.