When we use FurMark high load test, GPU temperature immediately soared, nearly 100 ℃, used to describe the terror is not over. The fan also will improve the speed, noise Jiangan obvious, particularly when the speed reached more than 50 percent when (about 5000 RPM), the noise has been an unacceptable level. We can only say that the public version of the radiator is some rotten. To a certain extent, we recommend the budget sufficient third-party users may consider replacing radiators (we will be conducted as soon as possible in the near future related to graphics radiator horizontal test), but fortunately the Radeon HD 4850/4870 installed radiator Kongju with the 3800 series is the same, that is, apply to the Radeon HD 3800 series and NVIDIA GeForce G9X series of radiator can be used Radeon HD 4800 series.