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Item#: N82E16817399097

IOGEAR GCS1642 2-Port Dual View Dual Link DVI KVMP Switch with Audio

  • 2 Ports Computer Connections
  • 2 Ports Monitor Connections
  • Video Resolution 2560 x 1600
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IOGEAR's GCS1642 2-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) and 3D graphics. Two Dual-View / Dual Link display computers can be accessed and controlled from a single console running dual-displays.

The GCS1642 also features two USB 2.0 peripheral ports for asynchronously sharing USB devices between your computers. A powered USB hub may be attached to the peripheral ports for added functionality. Audio and microphone support makes sharing speakers and a microphone a convenience for the users which serves as an extra value.

This unique KVMP can increase efficiency and save equipment cost for applications where high resolution, 3D graphics, large or widescreen dual-display monitors are required, for situations such as CAD/CAM, Desktop Publishing / Graphic Design / Video Editing, Medical / Surgical / Diagnostic Displays, and High-end Gaming. The GCS1642 offers an out-of-box solution including all cabling required for “Set-up and Go”!


  • newegg DualView Dual-Link DVI Support Connect and share 2 Dual-Link DVI monitors, a keyboard and a mouse along 2 computers. The IOGEAR GCS1642 supports high resolution up to 2560 x 1600 and 3D graphics and gaming.
  • newegg 2-port USB 2.0 Hub Connect and share USB 2.0 peripherals like USB drives or printers between your computers with the 2-port USB 2.0 hub.
  • newegg Audio Enabled With audio support, share speakers and microphone between two computers. Enjoy multimedia playback and voice chatting on any computer using a single set of speakers and microphones.
  • newegg Switching The IOGEAR GCS1642 allows asynchronous hotkey switching between KVM focus, USB peripheral, and audio ports. You can select a computer by tapping hotkeys on keyboard or via front panel pushbuttons.
  • newegg DynaSync IOGEAR's DynaSync 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. (IOGEAR’s DynaSync provides the EDID support for Windows 7.)
  • newegg Multi-platform Support The IOGEAR GCS1642 is compatible with Windows, Mac, Sun and Linux platforms. IOGEAR delivered a huge breakthrough in KVM operation to Mac and Sun users by enabling functionality for the special keys on these systems.

Learn more about the IOGEAR GCS1642




Computer Connections
2 Ports
Monitor Connections
2 Ports
Video Resolution
2560 x 1600


DualView Dual-Link DVI support - Share 2 DVI monitors with a single keyboard and mouse along 2 computers
High resolution - Up to 2560 x 1600
Multi OS platform support
2-portUSB 2.0hub for peripherals sharing
Asynchronous hotkey switching between KVM focus, USB peripheral, and Audio ports
IOGEAR'sDynaSync reads and remembers the monitor's parameters (EDID) so there is no delay or change of video resolution when switching between, or booting computers
HDCP Compliant
Audio enabled - Microphone support and full bass response provides 2.1 stereo sound
Complete keyboard and mouse emulation for error free booting and real-time switching
Computer switching via front panel pushbuttons or hotkeys
Supports MAC and Sun keyboard and special keys
Firmware upgradeable
Plug & Play - No software installation required
All cables included

Manufacturer Warranty

3 years limited
3 years limited

Quick Info


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years

Customer Reviews of the IOGEAR GCS1642

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  • Gregory H.
  • 2/20/2015 4:18:53 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsGood

Pros: Works exactly as advertised

Cons: A bit pricey, but I didn't want to risk cheaper products because of bad reviews

Did you find this review helpful? Yes No

  • Francesco R.
  • 2/22/2014 8:55:53 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorks

Pros: I have my desktop and laptop connected to my dellU2711 and NEC225WXM without any issue. Installation was easy. The two computers recognized the monitors' resolution, keyboard, and mouse.

Cons: The buttons used to switch between the two computers are not very sensitive and I need to hold the switch while pressing. them. I also do not like the fact that it is not easy to power off the switch when not in use.

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  • James M.
  • 2/6/2014 6:04:48 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsThe Best KVMs

Pros: Works great.
Supports 1920x1200 (and then some).
Good cables. Plenty long. (6ft or so)
Looks nice.

Cons: Somewhat large for a KVM, but it does need room for all those connectors.
Expensive (but worth it).

Other Thoughts: I've been using KVMs for about 20 years and have had many types and brands. There's a reason I always choose IOGear KVMs these days. They work and work well. I'm using this one to share my dual 24" 1920x1200 monitors, keyboard, mouse, and speakers between my Win8 game machine and my Linux server. I do wish it had one of those small remote buttons like many other IOGear KVMs have, but that's a minor quibble. The keyboard switching works fine. Although it comes with cables, you still need a pair of DVI cables to connect the second video card outputs to the KVM. You should already have these with your monitors, but it's worth mentioning.

1 out of 1 people found this review helpful. Did you? Yes No

  • Ryan B.
  • 3/17/2013 4:25:37 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsgood while it lasted.

Pros: 1920X1080 default.
digital connections.
ease of use

Cons: lasted a year and the it started having problems recognizing the second monitor. Then the usb went went as well.

USB 3 would have been nice for the price.

Manufacturer Response:

First, thank you for choosing IOGEAR and we apologize for your experience. The product should not behave as you described. Since the unit is backed by IOGEAR's 3 year warranty feel free to contact our customer support at 1-866-946-4327 or email us: Again, thank you for choosing IOGEAR.

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  • JAY B.
  • 2/26/2013 1:42:29 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsFollow Instructions

Pros: Follow the enclosed instructions on the correct order of hooking up the computers. I failed to do it the first time, and became frustrated. Then I followed the instructions (found some excellent ones on web site) and it has been working ever since.

Cons: At first it took a little while for the computers to recognise the USB keyboard & Mouse.

Other Thoughts: I am going to order another one.

1 out of 1 people found this review helpful. Did you? Yes No

  • Daniel M.
  • 12/25/2012 6:35:41 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsGreat Product, Crumby tech support

Pros: Supports high resolution monitors, very flexible and will work with old PS2 inputs as well as wireless devices

Cons: Does not support Windows keyboard or mouse wake up pass through. Special keyboard functions will not be passed to computer.

Other Thoughts: This is a good solution for those looking for high resolution support (2560x1600)w/dual monitors. Even though IOgear says wireless mice or not supported they are full of cr@p. This product works just fine with Microsoft wireless intellmouse units. Also the ps2 to usb adapters work just fine with a ps2 keyboard as well. I called their tech support to check to see if my configuration would work they said no. Wrong, dual monitors on DVI, Microsoft wireless mouse and Northgate PS2 keyboard works just fine. I took a chance because of the Newegg return policy and I am glad that I did. This product would have been given 5 stars if the IOGear tech support wasn't so lame and if the keyboard/mouse windows support worked!

1 out of 1 people found this review helpful. Did you? Yes No

  • Matias S.
  • 11/27/2012 10:15:43 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggs

Pros: This device is small and comes with all the cables needed.

It's probably the best one out there for dual monitors setup.

I have plugged in ThinkPad USB 3.0 Port Replicator into it and it works fine. And then I have my desktop plugged in. So I switch from Work laptop and my home desktop in a matter of a second or two.

Cons: The major cons for this device is that it doesn't support the multimedia shortcut buttons on my keyboard. So email, volume knob on my keyboard doesn't work when using the IOGEAR device. So now I'm searching for the little calculator built into windows when before I just hit the button on the keyboard. IOGEAR knowledge base says that they are working on licensing, but I doubt it. I have yet to call them.

The other thing is that any tap of my mouse keeps waking up my desktop from sleep mode. I disabled it in Windows from doing that. However it keeps waking up my desktop from sleep and I think its because of the emulation from the KVMP.

The 3rd thing is that port 2 does have some issues from some reason and that seems to be a common complaint. I just jostle it. Sometimes there is a delay in the secondary screen displaying.

The most frustrating thing is that the volume knob not working on my keyboard along with the other multimedia functions.

I don't see why they can't just pass those through.

Other Thoughts: I don't mind the beep at all. I can't see why it's everyone's complaint.

Manufacturer Response:

Thank you for choosing IOGEAR and we apologize for the inconvenience. I will have this information sent to the product manager for review. Once again, thank you for choosing IOGEAR

1 out of 1 people found this review helpful. Did you? Yes No

  • John S.
  • 8/11/2012 5:11:43 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsThis is great!!

Pros: This works perfectly with my 2 Dell monitors, and my 2 PCs with both have 2 DVI outputs (no adapters anywhere). It used to take me 20 seconds to switch via Dell's monitor menus (thanks Dell), but with this KVM it's about 2 seconds. The ability to switch the display, USB and audio independently is great too. Has a low profile on my desk, and as a bonus I now have USB and audio jacks within arm's reach! The supplied cables are very nice, and I haven't seen any change in graphics or video quality.

This nifty gadget will save me about 5 minutes per workday, or about 16 hours a year.

Cons: I can't get the Hotkey Settings Mode (HSM) to work. I just need it so I can turn off the beep.

Other Thoughts: Great price from NewEgg.

Did you find this review helpful? Yes No

  • Matthew R.
  • 8/5/2012 6:13:12 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggs

Pros: Love the dual DVI ports to be able to switch between two systems that have dual DVI displays.

Cons: Beside the price, my only con is that it doesn't work well with wireless keyboards and mice. When the systems were turned off, I could not cycle from port 1 to port 2 on a wireless KB. When I switched to a wired KB, I can switch all I want.

Other Thoughts: Only one time have I had an issue with the device. All of the sudden, one of my two monitors would not display. I power cycled the KVM and PC's, but still only had one monitor. After removing the DVI cable from the KVM to the monitor, and reconnecting, then display came back.

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  • David R.
  • 8/3/2012 11:33:53 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsDual View Dual Link KVMP

Pros: Solid, well made, with ample room between connections. Very decent switch to cpu cables (6 foot) included. Wired keyboards, mice, and trackballs all seem to work fine EXCEPT the Microsoft Sidewinder keyboard.

Cons: Does not like Microsoft Sidewinder X4 keyboards - will only work in the hub ports.

Did you find this review helpful? Yes No

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