Fully Connected: This dock provides dual video outputs(HDMI & DVI), wired Gigabit Ethernet, 3.5mm headphone and microphone jacks, two USB 3.0 ports, and four USB 2.0 ports Note: This dock DOES NOT support charging the host PC Ultra 4K Display: 4K HDMI port supports resolutions up to 3840x2160@30Hz while the DVI port supports display resolutions up to 1920x1080@60Hz. Includes DVI to VGA adapter and DVI to HDMI adapter. M1/M2 based Mac support MST, you can extend two different external displays Fast Data Speed: 2xUSB 3.0 ports (up to 5Gb/s) and 4xUSB 2.0 (up to 480Mb/s) to connect various USB peripherals. Wired Ethernet supports Gigabit speed. Strong Compatibility: Perfect for laptops with USB 3.0 port or thunderbolt 3/4 port. Support Windows 11/10/8/7, Mac OS 10.10-13.x or later, Chrome OS, Android and Harmony OS. Unsupported with Ubuntu, Linux and iPadOS. It is compatible with almost all modern computers, especially for M1/M2 based MacBook. Not recommended for gaming or video editing