The AV ACCESS HDMI KVM Switch 4KSW21-DM is a professional dual-monitor KVM switch designed to help users control two computers using a single keyboard, mouse, and dual-display setup. Whether you’re working from home, managing multiple systems, or switching between work and gaming PCs, this KVM switch delivers seamless performance with ultra-fast switching and outstanding video quality.
Supporting 4K@60Hz (4:4:4) video, high refresh rates up to 1080p@240Hz and 2560×1440@144Hz, the 4KSW21-DM ensures smooth visuals for productivity and gaming. With integrated USB 3.0 sharing, users can connect peripherals such as webcams, printers, storage devices, and speakerphones without reconnecting cables.
Key Features
- Control 2 PCs with one keyboard, mouse, and dual monitors
- Supports extended and mirrored display modes
- Dual operating modes: KVM Mode and USB Mode
- 4K@60Hz HDMI 2.0 with 18Gbps bandwidth
- High refresh rate support up to 1080p@240Hz and 1440p@144Hz
- Built-in 3-port USB 3.0 hub with data transfer speeds up to 5Gbps
- Quick switching via front panel button or keyboard hotkeys
- Automatic PC Wake-Up for instant access to sleeping computers
- EDID Emulation prevents display flickering and desktop rearrangement
- Supports HDR10, HDR10+, HLG, Dolby Vision, Dolby Atmos, DTS:X
- Compatible with Windows, macOS, and Linux
- Plug-and-play operation with no software installation required


























































































































