In this review, we will be taking a look at the HIS ICEQ4 Radeon HD 4850 graphics card. It utilises an overclocked ATI Radeon HD 4850 GPU (RV770) @ 685Mhz, with 512Mb of DDR3 ram at 2.2Ghz. The whole card is cooled by their own custom heatpipe cooler called ICEQ4. It's their 4th generation in custom GPU coolers, and in this particular model ... takes up 2 PCIe slot space. Needless to say the ATI Radeon HD 4850 offers a wealth of exciting technologies which you probably already know. These include a 55nm GPU, 800 stream processors, supports DX10.1, Crossfire X, as well as 24x custom filter anti-aliasing techniques.

"If you've already made up your mind in purchasing a Radeon HD 4850 ... then you have to take a look at the HIS ICEQ4 Radeon HD 4850 TurboX first. It offers excellent performance, great features and superb value for money. The HIS ICEQ4 Radeon HD 4850 TurboX has proven that it's excellent graphics card for the mainstream gamer."

http://www.cpu3d.com/review/6552-1/his-iceq4-radeon-hd-4850-turbox-512mb-ddr3/introduction.html