Of course，it downward compatible with lower resolutions.Further more，it is very easy-to-use，plug and play，no driver is needed.

USB 3.0 KVM SWITCH 4 COMPUTERS 2 MONITORS: The integrated 2 USB 3.0 HUB ports allows you to share 2 more USB peripherals like printer, scanner, webcam and hard disk between 2 computers with data transfer rate up to 5Gbp/s (10 times faster than USB 2.0).HDMI 2.0 KVM SWITCH 4 PORT 4K 60HZ: Supports maximum resolution up to 3840×2160 and compatible downwards depending on support of graphic card, monitor and adapters if used any Supports auto detection and memory function in case of power down.MULTI PLATFORMS COMPATIBLITY : Cross supports most major operation systems like Windows, Linux, Mac and more also support switch between devices without keyboard and mouse like DVR and NVR.KVM SWITCH DUAL MONITOR 4 IN 2 OUT : Control 2 computers or laptops with one set of wired or wireless keyboard, mouse and 2 extended or mirrored monitors at the same time.EASY SWAPPING BETWEEN 4 DEVICES: You can freely switch between personal and work using push button, keyboard hotkeys, mouse clicks or wired remoter, as well as auto scan for monitoring or testing purpose.

Kvm emulator for mac