En fait la réponse est sur le site ATI :
Two integrated dual-link DVI display outputs
Each supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI)
Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content
Two integrated 400 MHz 30-bit RAMDACs
Each supports analog displays connected by VGA at all resolutions up to 2048x1536
DisplayPort output support
24- and 30-bit displays at all resolutions up to 2560x1600
HDMI output support
All display resolutions up to 1920x1080
Integrated HD audio controller with support for stereo and multi-channel (up to 7.1) audio formats, including AC-3, AAC, DTS, DTS-HD & Dolby True-HD4, enabling a plug-and-play audio solution over HDMI