XFX Radeon™ HD 5770 Graphics - AMD 1 GB DDR5 XFX Radeon HD 5770 (Juniper XT) DirectX 11 HD-577A-ZNFC 1GB 128-Bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card 1GB 128-Bit GDDR5 Core Clock 850 MHz 2 x DVI 1 x HDMI 1 x DisplayPort 800 Stream Processors PCI Express 2.1 x16 Works Flawlessly never any issues with card