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Many video card producers , select a supplier of cooling systems for their products such as : Zalman, ZEROtherm and Arctic cooling.
As reports press releases on the arctic cooling site we can note the Radeon HD 4770 from sapphire productions prepared specially for the last company. This cooler is called Accelero L7, it is equipped with standard size fan 92 mm with Shim- control rotation speed , which varies in the limits from 900 to 2000 pr/min , this cooling system is capable to remove up to 100 W of thermal energy, pumping through 27 cubic feet of air per minute with the noise level not more than 0,4 sones.
Sapphire, in turn, installed the cooler accelero L7 not only on the Radeon HD 4770, but also on the new version radeon HD 4670, equipped with 512 mb or 1 Gb GDDR-3 memory, and working at 750/2000 MHz frequencies. This video card has 320 stream processors and 128- bit bus. Related Products :
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