ATI HD4550 PCI-E Graphics Card 512MB GDDR3 Video Memory Dual DVI, HDTV Out Series: Radeon HD 4000 series Chipset: Radeon HD 4550 Key Features: UD2 Core Clock: 600 MHz Memory Clock: 1600 MHz Memory Type: GDDR3 DirectX: 10.1 D-sub: Yes DVI: Yes
