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HDNET-4PLUS-S SmartAVI 4 Port HDMI KVM Switch with 4Kx2K Ultra HD Support and USB 2.0 Sharing

$599.00 $462.00

Description :


HDN-4Plus is a dedicated multi-platform KVM switch capable of managing four computers through a single HDMI monitor, USB keyboard, USB mouse, and other USB 2.0 devices. This is the first KVM switch on the market that features support for 4K Ultra HD (3840x2160 @30Hz) workstations. The device also features SmartPreview technology, which enables simultaneous picture-in-picture monitoring of the other sources connected to switch. This helpful technology allows users to keep tabs on the other connected workstations without constantly needing to switch back and forth.The USB emulation technology utilized by HDN-4Plus enables immediate hot key source switching through a remote USB keyboard and mouse. HDN-4Plus is HDMI 1.4 and HDCP compliant, which supports 4K Ultra HD resolutions and 12-bit deep color at 1080p @60Hz. RS232 control and front panel switching are supported. The switch also transmits digital audio, including a separate S/PDIF digital audio output for increased flexibility.


Product Features


  • Supports Mac, PC, Linux and Sun Mac OS, Sun OS, Unix
  • Supports up to 4Kx2K Ultra HD (3820x2160@60Hz)
  • Uses HDMI 1.4 ports
  • Zero pixel loss with TMDS signal correction
  • Supports all USB 2.0 devices, including keyboard and mouse
  • Control Sun, Mac or PC workstations from one KVM console
  • Compatible with all major software including Windows, Linux, Mac OS, Sun OS, and Unix
  • Rack mountable in a standard 19 inch rack
  • Flash upgradeable firmware
  • Front panel keys for selecting users and channels manually
  • Supports LPCM 7.1, Dolby True HD, Dolby Digital Plus and DTS-HD Master Audio
  • RS-232 control for remote control
  • Optional TCP/IP control
  • Hot-key commands for quick channel selection.
  • Independent (asynchronous) switching of KVM and peripheral USB ports. Users can scan a document and save in another computer
  • Complete keyboard emulation for error free booting


HDMI 1.4
Maximum Pixel Clock
300 MHz
Input Interface
(4) HDMI (female)
Output Interface
(1) HDMI (female)
up to 4K x 2K (3840 x 2160 @ 60Hz)
1080P @ 120Hz and 1080P 3D @ 60Hz

5 volts p-p (TTL)

Input Equalization
Input Cable Length

Up to 20 ft.

Output Cable Length
Up to 20 ft.
Bandwidth Frequency


Signal Type
USB 2.0, 1.1, and 1.0 w/ internal hub
Input Interface
(4) USB Type B
Output Interface
(2) USB 1.1 Type A for KVM Devices
(2) USB 2.0 Type A Transparent
Front Pane
Tactile Switch, Display: LCD 2 x 20 Character
Via Control @ 115200 bps
Via Keyboard
External 100-240 VAC/ 5VDC4A @ 20W
3W (Max)
UL, CE, ROHS Compliant
Operating Temp
-5 to +35°C(+23 to +95°F)
Storage Temp.
-4-185 °F (-20-85 °C)
5 to 90%RH (No Condensation)
Keyboard and Mouse
Transmission Distance
15m(Maximum)over standard HDMI cable/26AWG


Sam Smith - General Dynamics

We were looking for a 1U 19" Rackmount LCD Keyboard console for our Flight Simulation System. KVMSwitchTech promptly responded to all our questions. We purchased several NRKD-KVM-19 Rackmount Console units from them and are very happy with the performance. Keep up the good work.

Melvin Parker - L3 Communications

KVMSwitchTech helped us with a 1080p Rackmount Console with integrated 8 Port USB KVM Switch for our CNC Machines. The product works great and the staff is very friendly. I would recommend this Company.

James Johnson- Lockheed Martin

Knowledgeable, experienced and courteous staff. We needed Fiber Optic Extenders with EMI shielding to avoid interference in signal transfers. KVMSwitchTech worked with us to design a DVI Fiber Optic Extender customized for our application. Thanks for all your help.

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