Diamond Multimedia USB 3.0/2.0 to HDMI/DVI Mini Ultra Dock with Dual Head Multiple Display Monitors (MDS3900) DisplayLink DL-3900 Chipset (HDMI up to 2560x1440 and DVI / VGA to 2048x1152 / 1920x1200) - Supports Windows 8.1, 8, 7, and XP Connectors: HDMI, DVI (with included adapter), USB 3.0 Micro, RJ-45 Gigabyte Ethernet Chipset: DisplayLink DL-3500 Number of Displays Supported: 2 per MDS3900 adapter. Maximum per system, 3 adapters total monitors supported is 6 displays. Max resolution: 2560 x 1600, 2048 x 1152 and 1080P HDCP: Yes, Protected video playback HDCP 2.0 Audio Support: 6 channel Audio (up to 5.1 channels)