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KVM Switches > 
Item#: N82E16817802231

ATEN CS1784A 4 Port Dual-Link DVI KVM with USB 2.0 and 2.1 Audio Support

  • 4 Ports Computer Connections
  • Video Resolution DVI-D( Dual Link): 2560x1600
  • DVI-D(Single Link): 1920x1200
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The CS1784A USB DVI Dual Link KVMP Switch charts a revolutionary direction in KVM switch functionality. It combines the capabilities of a 4-port KVM switch with a 2-Port USB hub, while providing a DVI monitor interface and audio support. Moreover it carries advanced features, such as 120Hz 3D display support, gaming keyboard compatibility and port selection/switching using a mouse, aimed at giving you flexibility, convenience and enjoyment.

Learn more about the ATEN CS1784A




Console Connectors
Keyboard: 1x USB Type A Female (Rear Panel)

Monitor: 1x DVI-I Female (Rear Panel)

Mouse: 1x USB Type A Female (Rear Panel)
Computer Connections
4 Ports
Video Resolution
DVI-D( Dual Link): 2560x1600

DVI-D(Single Link): 1920x1200
Operation Temperature: 32~122 F (0~50C)

Storage Temperature: -4~140F (-20~60C)
0~80% RH, Non-condensing
2 x 10.6 x 3.4in
2.2 lbs


Resloution: 2560x1600@60Hz (Dual Link); 1920x1200@60Hz( Single Link)

Built-in High-Speed 2-port USB 2.0 Hub

Supports high end gaming keyboards and mice

Independent (Asynchronous) switching of KVM and peripheral USB/Audio ports

Support high Quality 2.1 channel surround sound system

Support widescreen resolutions

Sources selection via front panel pushbuttons, hotkeys, and Mouse

Multiplatform support: Windows 2000/XP/Vista, Linux, MAc, and Sun

Video DynaSync - Exclusive technology that eliminate boot-up display problem and optimizes resolution when switch between ports

Support gaming/multimedia keyboards

Sun/Mackeyboard support and emulation

Auto Scan Mode for monitoring all computers

Firmware upgradeable


Package Contents
1x CS1784A USB DVI Dual Link KVMP Switch
4x DVI-D/USB KVM cables
1x Power Adapter
1x User Manual
1x Quick Start Guide

Quick Info


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

Customer Reviews of the ATEN CS1784A

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  • Charles J.
  • 2/23/2013 9:30:54 PM
  • Tech Level: High
  • Ownership: more than 1 year

4 out of 5 eggsKVM Switch

Pros: Good KVM switch. Does the trick. Best support of all the KVM Vendors I've tried. I've owned Avocent, Belkin, Startech, etc.

My unit is technically the CS1784. I would imagine the A revision unit here is just upgraded. Would be interested in hearing about the upgrades / updates in the CS1784A.

Haven't actually used it on a 2560X1600 DVI-D compatible monitor yet but bought it in case I wished to upgrade to a DVI-D monitor. My monitor is a 1920X1200 Gateway 24".

Comes with 4 KVM cables. You provide your own console cables to the unit.

Cons: A little pricier than some, but you get what you pay for.

Only problem I've run across is running fancy mice / keyboard setups. Other than that, not a big problem. Rarely have had to mess with this unit. Have had for many years now.

Presume the slightly newer CS1784A unit is similar and just as reliable.

Other Thoughts: Hint: Use the front USB or back USB connector (not the identifed keyboard / mouse connector) with your fancier Logitech or MS mice that have special wheels, buttons, etc.

I have an MX1100 that works with this switch. Had to update the firmware.

The HSM (Hotkey Settings Mode) manager is a little funky. Just a note, I somehow changed the HSM invocation sequence to the alternate Control - F12 method. (Please see the manual.) Invoking HSM and typing H brings you back to the NumLock and "-" key sequence. That stalled me for a while with the whole firmware upgrade process.

I used a separate machine off of the KVM switch with a com port hooked up to my monitor's VGA input. That did the trick for me and the special Logitech mouse functions for the MX1100 running the latest Set Point Control Center Version 6.51.8 and Driver Version 5.50.98 running on Win 7 64 are running just fine with this KVM.

Middle mouse wheel click works in Ubuntu Linux 12.04 on this KVM.

Did you find this review helpful? Yes No

  • Phyllis L.
  • 8/16/2011 5:59:53 AM
  • Tech Level: Average
  • Ownership: less than 1 day

3 out of 5 eggsWrong Image

Pros: Price is good

Cons: Wrong Image
Image is CS1764A

0 out of 3 people found this review helpful. Did you? Yes No

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Home > 
Computer Hardware > 
Input Devices > 
KVM Switches > 
Item#: N82E16817802231
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