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HIS HD 4890 Fan TURBO 900MHz(vs. 850 standard) 1GB (256bit) 4Gbps(vs. 3.9Gbps standard) GDDR5 PCIe < Legacy Products < Desktop graphics < Products | HIS Graphic Cards
Sapphire Radeon HD 4890 Review: A single GPU graphics card for ATI's Radeon HD 4800 series - PC Components - Graphic Cards - PC World Australia
![HIS HD 4890 Fan TURBO 900MHz(vs. 850 standard) 1GB (256bit) 4Gbps(vs. 3.9Gbps standard) GDDR5 PCIe < Legacy Products < Desktop graphics < Products | HIS Graphic Cards HIS HD 4890 Fan TURBO 900MHz(vs. 850 standard) 1GB (256bit) 4Gbps(vs. 3.9Gbps standard) GDDR5 PCIe < Legacy Products < Desktop graphics < Products | HIS Graphic Cards](http://www.hisdigital.com/UserFiles/product/HD4890_Turbo_All_1600.jpg)