Diamond Radeon HD 5550 PCI Express GDDR3 1GB Video Graphics Card

The Diamond Radeon HD 5550 PCI Express GDDR3 1GB Video Graphics Card is the first generation video card to fully support DirectX 11, thus completing the Windows 7 experience. This card has ATI Stream technology with which you can speed up numerous video tasks. The graphics card also features AMD's robust ATI Catalyst software and has an engine clock speed of 550 MHz.