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Here is the radeon HD 4850 without cooling system .
The cooler base is supplied with thermal-pad for memory microcircuits and power transistors.
Obviously, this RV770 video chip copy is released on the fifth week of 2008 . It is assumed that this video chip will operate at 625 MHz frequency .
The radeon HD 4850 version with 512mb GDDR- 3 memory is equipped with eight memory microcircuits from qimonda production with 1.0 NS access time . Theoretically, it can work at frequencies more than 2000 MHz DDR.
Here is the video card radeon HD 4870 with two-stage cooler ( standard design ).
Two thermal tubes and long radiator . There is no memory on the back PCB side . Related Products :
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