KVMP switch, ATEN CS74U, 4-port

CS74U controls 4 computers with USB interface, VGA video and audio from one KVM console (USB mouse/keyboard,
VGA monitor, headphones and microphone).
Switches ports with front panel hardware buttons. Easy to install, does not require
software, stable metal case independent of operating system and computer platform (intercepts keyboard input directly).

1 VGA console controls 4 VGA computers with USB interface
Switching via buttons on the front panel
Multi-platform support – Windows, Linux and Mac
Supports sound – the full bass response function provides a rich experience for 2.1 channel surround sound systems
Excellent video quality – 2048 x 1536; DDC2B
Supports USB hot-plugging
It does not require its own power supply