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KVM Switches > 
Item#: N82E16817802126

ATEN CS1734B 4-Port USB KVMP Switch with Audio Support

  • 4 Ports Computer Connections
  • 1 Port Monitor Connections
  • AutoScan Interval 5 -99 secs.
  • Video Resolution 2048 x 1536 (Max.)
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The CS1734B is a four port KVMP switch combined with a two-port USB 2.0 hub. As a KVM switch, It allow users to access four computers from a single keyboard, monitor, and mouse console. The CS1734B improves the previous design by given the user a choice of either transferring keyboard and mouse data to computer via a usb connection. If usb connection is used integrated two port usb hub is is available for each computer to access any peripherals connected to the hub on a one at a time.

Learn more about the ATEN CS1734B




PC Connectors
Audio: 4 x stereo speaker; 4 x Microphone
Peripherals: 2 x USB Type A
Keyboard, Mouse, and Monitor: 4 x SPDB15
Console Connectors
Mouse: 1 x USB
Keyboard: 1 x USB
Monitor: 1 x HDB-15 Female (Std. VGA/SVGA)
Audio: 1 x stereo speaker; 1 x Microphone
Computer Connections
4 Ports
Monitor Connections
1 Port
Video Resolution
2048 x 1536 (Max.)
PC Selection
Push Buttons/Hot Keys
AutoScan Interval
5 -99 secs.
LED Indicators
Selected: 4 (Bright Orange)
On Line: 4 (Dim Orange)
USB Peripherals: 4 (Dim Green)
Operating 4 - 40 C
Storage -20 - 60 C
0% to 80%,Non-Condensing
8.3" x 3.5" x 2.2"
1.7 lbs.


4-port KVMP switch with USB 2.0 support and 2.1 surround sound audio
One console controls 4 computers and two additional USB devices
2-port USB 2.0 compliant hub built in - Dual interface supports computers with PS/2 or USB keyboard and mouse configurations
Audio-enabled full bass response provides a rich experience for 2.1 surround sounds systems
Console audio ports on front panel - ideal for IP phone use
Supports both USB and PS/2 keyboards and mice for flexible configurations available with the included USB to PS/2
Independent switching of KVM, USB, and Audio.
Maximum video resolution ; 2048 x 1536; DDC2B.
Supports widescreen Monitors
Computer selection via front panel pushbuttons, OSD (On Screen Display), or Hotkeys
Multiplatform support; Windows 2000/XP/Vista, Linux, Mac, and Sun
Console mouse port emulation bypass feature supports programmable mice
Display Emulation Technology -reads and remembers the monitor's display parameters to maintain optimum display settings when switching between computers
Complete keyboard emulation for error free booting - Sun/Mac keyboard support and emulation*
Auto Scan Mode for sequentially monitoring all computers
LED display for easy status monitoring
Easy installation,no software equired

Quick Info


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

Customer Reviews of the ATEN CS1734B

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  • James B.
  • 11/30/2014 1:46:30 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsIndustrial Strength KVMAU

Pros: Takes USB or PS/2 mouse and keyboard
Provides USB 2.0 switched between computers
Multiple computer-switch options

Cons: Not recognized by BIOS
Requires power
Included cables are USB only; PS/2 cables sold separately

Other Thoughts: This USB switch with audio and USB 2.0 actually boots a resident with a color EGA screen. You see it by pressing Scroll Lock twice. From there, you can use the keyboard and mouse to switch the KVM, audio, or USB, or all of them together, then return to the computers.

If you watch a computer boot, the BIOS won't see the KVM keyboard and mouse unless it is sophisticated enough to load USB drivers. I have one that has a UEFI BIOS and it sees the keyboard but not the mouse. But I need another PS/2 keyboard to press F2 to get into the BIOS for any of my computers. If you get the PS/2 cables, you might be able to talk to the computers earlier in the boot.

Switched USB is one powered port that I find useful in moving files between computers with a flash drive. Remember to "eject" the flash drive before switching computers.

The case is built like a brick and comes with brackets for rack or wall mount. I just set mine down on one of my computers in front of a network switch. LED indicators clearly show connections, and audio and one powered switched USB port are on the front panel.

This ATEN replaced a nice KVM switch that fritzed out after less than a month (its internal USB died, making it useless). I see that people at work us ATEN equipment so I thought that I would pay a little more to get it, and I'm glad I did.

Did you find this review helpful? Yes No

  • Sean C.
  • 8/3/2010 1:24:39 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week

2 out of 5 eggsDidn't work for me

Pros: Well built unit, comes with cables.

Logitech G15 functioned as expected - full functionality only when plugged into a generic USB hub port. On generic port, G-keys and LCD worked, hotkey switching did not. On keyboard port, hotkey switching/OSD worked, but G-keys and LCD did not. This was as expected.

Mouse emulation disable feature worked and allowed Logitech MX Revolution to operate fine on mouse port. MX Rev also worked on generic USB ports.

Cons: Didn't pass EDID information through to PC correctly, so graphics chipset couldn't identify correct monitor resolution.

The special "DynaSync" feature, where the KVM is supposed to clone the monitor EDID, didn't work for me.

After hacking the driver to allow the correct native res, the video quality was poor. It looked like the graphics card was not actually setting the correct resolution, although it said it was.

After ages of messing around, I found that for whatever reason, if the keyboard was plugged into the front USB port, the video worked fine. If the keyboard was plugged into the back, it didn't set right and worked poorly.

Provided cables are too short for anything but side-by-side PCs immediately underneath your monitor. Additional cables are expensive.

Other Thoughts: Basically I found this to be an expensive waste of time, especially since all I wanted was the G-key functionality of the Logitech G15 keyboard to work on one machine.

2 days later I had that, but at the expense of an unreliable video setup. The fact that the USB keyboard failed to work under BartPE was the final nail.

I ended up returning the KVM and bought a Logitech G13 gameboard, which gives me the G-keys on one machine without all the hassles of this KVM. And it was cheaper too.

If you invest in it, be aware that it may not be a plug and play affair. DTDCalculator can help you fix your registry to get the right resolutions working for your monitor.

3 out of 4 people found this review helpful. Did you? Yes No

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Item#: N82E16817802126
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