IOGEAR GCS1644 DVI KVM Switch - 4 x 1 - 8 x DVI-I Video, 4 x Type B Keyboard/Mouse
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IOGEAR's GCS1644 4-Port Dual View DVI KVMP Switch marks a leap in KVM functionality by combining IOGEAR's DynaSync with the widescreen graphics resolution of today's 30+ inch monitors, supporting Dual View / Dual Link DVI, 2560 x 1600 (higher than 1080p HD). Four Dual-View / Dual-Link display computers can be accessed and controlled from a single console running dual-displays!

This unique KVMP can increase efficiency and save equipment cost for applications where high resolution, dual-display large or widescreen monitors are required:

  • CAD (Computer Aided Design) and CAM (Computer Aided Manufacturing)
  • Desktop Publishing / Graphic Design / Video Editing
  • Medical / Surgical / Diagnostic Displays
  • And High-End Gaming, where high and ultra-high video resolution is demanded.

The IOGEAR's DynaSync1 remembers your monitor's ideal resolution and refresh rate (EDID), making it possible to boot all your computers simultaneously, switch back and forth between computers, and still maintain the ideal video settings of the monitor.

The GCS1644 offers an out-of-box solution including all cabling required for “Set-up and Go”!


  • Dual View Dual-Link DVI support - Share 2 DVI monitors with a single keyboard and mouse, along 4 computers
  • High resolution - Up to 2560 x 16002-port USB 2.0 hub for peripheral sharing
  • Asynchronous hotkey switching between KVM focus, USB peripheral, and Audio ports
  • IOGEAR's DynaSync reads and remembers the monitor's parameters (EDID) so there is no delay or change of video resolution when switching between, or booting computers*
  • Complete keyboard and mouse emulation for error free booting and real-time switching
  • Computer switching via front panel push buttons or hotkeys
  • Supports MAC and Sun keyboard and special keys
  • Firmware upgradeable
  • Plug & Play - no software installation required
  • Buzzer ON/OFF via hotkey
  • Multi OS platform suppor
  • All cables included

*IOGEAR's DynaSync provides the EDID support for Windows 7

Interactive Demo

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  1. 4 x Dual-Link DVI-D KVM Cable
  2. 4 x Dual-Link DVI-D Cable
  3. 4-Port Dual View Dual-Link DVI KVMP Switch
  4. Port Push Button
  5. Mode Button
  6. Console Mic / Audio
  7. Front Panel USB 2.0 Peripheral Sharing Port
  8. Firmware Upgrade Port
  9. DC Power Jack
  10. Console USB Mouse / Keyboard Ports
  11. Console DVI Ports A/B
  12. Console Mic / Audio
  13. CPU DVI Video Port A/B
  14. CPU USB Connection
  15. CPU Mic / Audio

4 x Dual-Link DVI-D KVM Cable

4 x Dual-Link DVI-D Cable

4-Port Dual View Dual-Link DVI KVMP Switch

Port Push Button

Toggle between any of the 4 ports by pressing the Port Push Button.
Port 1 Push Button depicted.

Mode Button

Console Mic / Audio

Front Panel USB 2.0 Peripheral Sharing Port

Firmware Upgrade Port

DC Power Jack

Console USB Mouse / Keyboard Ports

Console DVI Ports A/B

Console Mic / Audio

CPU DVI Video Port A/B

Port 4 Depicted

CPU USB Connection

Port 4 Depicted

CPU Mic / Audio

Port 4 Depicted
Product Tour
Click to Start

How it Works

In the Box

  • 1 x 4-Port Dual View Dual-Link DVI KVMP Switch
  • 4 x Dual-Link DVI-D KVM Cable
  • 4 x Dual-Link DVI-D Cable
  • 1 x Firmware Upgrade Cable
  • 1 x Power Adapter
  • 1 x Installation Guide
  • 1 x Warranty Card


  • 2 DVI displays
  • 1 set of USB keyboard and mouse

  • 2 DVI ports
  • 1 USB port

Operating Systems
  • Windows XP, Windows Vista (32-bit / 64-bit)
  • Windows 7 (32-bit / 64-bit)2
  • WIndows 8.x
  • Mac OS X 9 to 10.x
  • Sun Solaris
  • Linux
  1. 1 IOGEAR's DynaSync provides the EDID support for Windows 7
  2. 2 IOGEAR’s Display Emulation Technology provides the EDID support for Windows 7

General Information

IOGEAR's GCS1644 4-port dual view DVI KVM switch marks a leap in KVM functionality by combining IOGEAR's display emulation technology with the widescreen graphics resolution of today's 30+ inch monitors, supporting dual view / dual link DVI, 2560 x 1600 (higher than 1080p HD).

Technical Information
Number of Computers Supported:4

Maximum Video Resolution:2560 x 1600

Number of USB Ports:2
Number of DVI Ports:10

Power Description
Input Voltage:5.3 V DC

Physical Characteristics
Weight (Approximate):5.80 lb

Package Contents:
  • GCS1644 DVI KVM Switch
  • 4 x Dual-Link DVI KVM Cables
  • 4 x Dual-Link DVI Cables
  • 1 x USB to PS/2 Converter
  • 1 x Firmware Upgrade Cable
  • 1 x Power Adapter
  • 1 x Installation Guide
  • 1 x Warranty Card
Green Compliant:Yes
Green Compliance Certificate/Authority:RoHS

Limited Warranty:3 Year

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Shipping Restrictions
  • This item cannot be shipped to PO Boxes.
  • This item can be shipped only within the U.S.

  • UPC: 881317502841 
  • Mfr's Part #: GCS1644