Rack-kit til 4 ports unit KVM i

Optil 9 users with each screen, mouse and keyboard
Keyboard and mouse can alternately operate the same PC
This is the start kit with 1 transmitter and 1 receiver
Multiple users require more PC-DEL-S modules

MAX. 1 user at a time

4 port KVM switch, DVI-D, USB
2 port USB 2.0 HUB
Audio is transferred
1920x1200 60Hz DDC2B
Video DynaSync™ - stores the console monitor's EDID (Extended Display Identification Data) to optimize display resolution
EDIT
Cable purchased separately - several lengths
Hot-key / push buttons on the front
5.3V / 10.7W

4-port KVM switch, DisplayPort, USB
2 x USB for mouse and keyboard
2 x USB to USB devices - transparent USB
Resolution up to 2560 x 1600 points
Transmits audio
Push-button Selection and HOTKEY choice of PC
Scan between PCs - choice of time
AC adapter included 12VDC / 1.5A
Can be used as DisplayPort switch - use PSU 
Dimensions: 220 x 130 x 44 mm

HDMI 2.0, HDCP 2.2
Resolution: 3840 x 2160 60Hz, 1920 x 1080 60Hz
Video Connector: HDMI-A interface
HDMI Cable Range: 15m max.
USB input: USB-A 3.0 female
Computer Input: USB-A 3.0 female
Power Supply Mode: USB
4 x USB3.0 cables included
Power consumption: Max 4W
video transmission speed: up to 6Gbps per channel (18Gbps in total)
Operating temperature: - 5℃ - + 70℃
Humidity: 5% - 90%
Dimensions: 178 x 77.5 x 20mm
5VDC power supply included