techPowerUp posted a review on the HIS HD 4850 IceQ4 512 MB video card
A quote from the article:
>> HIS HD 4850 IceQ4 512 MB Review
HIS has just released the IceQ4 version of the AMD Radeon HD 4850. The IceQ4 cooler is a dual-slot solution which ensures low temperatures under both idle and load. Also HIS has overclocked the card which results in a nice performance boost compared to the reference design card.
>> HIS HD 4850 IceQ4 512 MB Review