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SABRENT 4-Port USB & VGA KVM Switch With 4 Sets Of Cables KVM-USB4

  • USB to VGA Interface

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  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Sabrent KVM-USB4




Video Adapter/Converter


Operating Systems Supported
Windows 98/2000/XP/VISTA/7 (32-bit and 64-bit versions)


Save space on your desktop with our 4-Port USB KVM Switch KVM-USB4; manage up to four computers with just one of each: monitor, keyboard, mouse. Three different USB devices, such as printers, card readers, and flash drives can be shared by up to four computers. Four sets of KVM cables are included, and installation is simple, without any software installation.

Use one keyboard, monitor, and mouse to control up to four computers.
No software required.
Push Button for easy computer selection.
Support SVGA, VGA, and Multi-sync Monitors, VGA (15-Pin D-Sub).
Supports keyboard and mouse plug and play.
Auto-Scan & LED display for easy status monitoring.
Supports VGA resolutions up to 1920x1440
Hot swappable, No need to power down the KVM Switch or PC.
Keyboard and mouse emulation for simultaneous PC boot-up.
Bus powered, no external power needed.
Share USB devices such as a USB Printer, USB Scanner, USB Flash Drive, USB Card Reader, etc.

Package Contents

Package Contents
4-Port USB KVM Switch
4 KVM Cables
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Sabrent KVM-USB4

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  • Thomas S.
  • 9/22/2013 6:10:28 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggs

Pros: works great if using in cases where picture quality isn't a priority. I am using to switch between servers in my server closet. Works great for servers

Cons: switches screens upon a computer/server restart

Other Thoughts: would not use for any situation where you want great quality video.

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  • Chris C.
  • 8/2/2013 5:58:32 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week

2 out of 5 eggs

Pros: The switch works good. The extra USB ports are a nice feature.

Cons: The video cables that come with the unit are of low quality. The video output is extremely fuzzy and distorted.

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  • Terry L.
  • 12/14/2012 10:48:16 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsOwner

Pros: looks good

Cons: does not recognize Microsoft usb keyboard, nor logitech trackball, nor Kensington trackball,
Does not work, cannot switch computers, just does not function properly

Other Thoughts: The video comes on, but says that one or more of the USB devices has malfunctioned. I have used them for years, with other computers, other KVM switches, no problems, here not only a problem, they do not work. Video works for all 4 channels, can switch the video so I know it works, but nothing else, mouse, keyboard dead.

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  • Catherine O.
  • 12/6/2012 7:19:02 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsNot bad, but a little lacking.

Pros: Great price. The three USB inputs are handy. No software or anything needed.

Cons: First off, the video output is a little fuzzy. It looks like the phase is out on the monitor, but it's not. I tried different monitors and adjusting the settings, but no luck. It just seems like the board doesn't have a very clean signal. Also, one of the monitor cables that came with it had an unseated pin. I think it may be barely out far enough to make contact with the mating socket, but I'm not sure. I have plenty other cables so I didn't even bother trying it.

Other Thoughts: Not an amazing product, but it does the trick. I run a computer service company and I only use it for switching between multiple computers I may be repairing at any given time. Because of this, the video quality doesn't bother me much, but if you are using this product on your main system, I hate to say it, but you may want to spend a little more for a better quality product.

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