RV670 Video chip is produced on 55 nm technology it has a sufficiently low heat emission in order to be limited to passive cooling for video card Radeon HD 3850 model. The corresponding product from Sapphire with passive radiator on three thermal tubes not only quietly worked at the default frequencies, but also left a certain reserve for overclock .
Sapphire company decided to not be limited to the passively cooled version Radeon HD 3850, and prepared for announcement the version Radeon HD 3870 with cooling system without moving parts.
In this case the quantity of thermal tubes was increased from three to four. the radiators resemble to Arctic Cooling products series Accelero S.
The official announcement of this Radeon HD 3870 version is planned for the next weeks. Related Products :
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