AMD today announced the introduction of the ATI Radeon HD 4550 and ATI Radeon HD 4350 graphics cards, the latest additions to the award-winning ATI Radeon HD 4000 series graphics line up. These feature-rich graphics cards deliver exceptional gaming and HD multimedia performance at value prices. Both cards are based on the same technology found in the celebrated ATI Radeon HD 4800 series, including support for the latest DirectX 10.1 games and superior HD multimedia capabilities.Delivering mainstream-class...