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AT-HDKVM-V21 2x1 HDMI KVM Switch by Atlona

AT-HDKVM-V21 2x1 HDMI KVM Switch by Atlona

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The Atlona HDKVM-V21 is 2 input 1 output HDMI KVM switch designed to allow user to have 2 computers and one display, while utilizing the same keyboard and mouse across all of the computers. The switch between computers may easily be done though ...
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    3.00 lbs
  • Warranty
    3 Years
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  • $99.99
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Atlona 2x1 HDMI KVM Switch. Model: AT-HDKVM-V21

The Atlona HDKVM-V21 is 2 input 1 output HDMI KVM switch designed to allow user to have 2 computers and one display, while utilizing the same keyboard and mouse across all of the computers.  The switch between computers may easily be done though either push-buttons on the front panel of the switch, or though Hot Key selection.   The HDKVM series of switchers is based on the latest HDMI standard and is therefore capable of fully displaying uncompressed digital video with resolutions up to 1920x1200 or 1080p along with high resolution audio, including Dolby TrueHD and DTS-HD Master Audio.

Note: For those who have 3 or 4 computers, please check-out another Atlona product AT-HDKVM-V41


Office use:  Most of the jobs that involve graphics design, video editing, programming, accounting very often require 2 or more computers; however usually it is impossible to use more than one monitor and multiple keyboards or mice. The HDKVM solution is perfect solution for such an application.

QA: Quality Assurance Engineers that test systems on different platforms such as Windows, Mac OS, Linux or any other, will definitely require multiple computers at their stations. The HDKVM is a great solution which will allow user to quickly switch between operating systems where still using one keyboard, mouse and display.


  • Supports extremely high resolutions up to 1920x1200 or 1080p
  • Plug and Play, no software needed
  • OS support - Windows, Linux, and Mac (all versions)
  • Supports Latest Digital Audio Formats up to Dolby TrueHD and DTS-HD Master Audio Allows users of multiple computers to have a single keyboard, single mouse and a single monitor
  • Allows a use of either USB or PS2 keyboard and mouse
  • 3D Capable
  • Supports 30/36/48 bit color depth display
  • Auto Signal Enhancement feature can improve signal quality after long distance transmission

Technical Specifications:

  • Inputs: 2 x HDMI, 2 x USB (type B)
  • Outputs: 1 x HDMI, 2 x USB (type A), 2 x PS2
  • OS Support: Windows, Mac OS, Linux (Plug and Play, no software required)
  • Max. Resolution Support: up to 1920x1200 or 1080p
  • HDCP/EDID: Compliant
  • Power Supply: 5V/2A (110/240V universal)
  • Dimensions: 5.11x2.9x1.65 (inch) / 130x75x42 (mm)
  • Weight: 1.1LB/0.5kg

Package Includes:

  • 1 x AT-HDKVM-V21
  • 2 x USB Cables
  • 1 x 5 Volt power supply
  • 1 x Instruction manual

Warranty: 3 years

Free Ground Shipping
We offer free ground shipping on every purchase of $300 and more for US and US territory. Please choose "Free Ground Shipping (UPS/USPS)" option at checkout.

UPS Ground
UPS provides up-to-date tracking information. Ground service takes anywhere from 2-7 working days for delivery depending on destinations.UPS Ground does not deliver on Saturdays, Sundays or Holidays.

USPS Priority Mail/USPS Express Mail For all shipments shipped via USPS, we offer 'DELIVERY CONFIRMATION' number with each package. Difference between tracking number provided by UPS vs USPS Delivery Confirmation number is: Delivery Confirmation status is updated when the delivery has been made or when the package has made it through major USPS stations.

Air Shipment
Air shipments, Overnight, 2nd day and 3 day select methods offer guaranteed delivery time for your shipment. If you are in hurry or in need for the items on schedule, select one of these methods. Up-to-date tracking information is provided with each Air Shipment. AVProSupply has the right to choose between Air shipments to meet or reduce delivery time. For guaranteed delivery of multiple items with expedited shipping, please contact our customer service representative for personalized assistance to get your items delivered to you when you need them.

International Customers
We offer shipping via USPS/UPS for our international customers. You can find different shipping options during checkout.

Most items ordered from AVProSupply will be shipped out from our California Warehouse. Will-Calls are only allowed with Appointment Only - Please call Customer Service to set one up between the hours of 9am to 6pm PST.


Major Credit Cards: Visa, MasterCard, Discover and American Express.
Paypal: You can select an option of Paying with Paypal in our shopping cart.
Money orders: and personal checks or company checks (may take up to 10 days to clear).
Wire Transfer: ( Bank Transfer ) Only for the amount over $500. Contact us for the bank details.
Phone Orders: To place a phone order please call 1.888.902.3309 or 1.916.246.6264 and one of our Customer Service Representatives will take your order (8:00am - 6.00pm PST).

Purchase order: Fax purchase orders to 1.916.672.2557

We Offer A 30-Day Money Back Guarantee: 
Our main goal is to ensure your complete satisfaction with our service and products. If, for any reason, you are not 100% satisfied with your purchase, you can return it within 30 days of the purchase date for a full refund. Our 30-day money back guarantee applies to all of the products we sell, except for: TVs and monitors 20" and larger, Special Order merchandise, or any item indicated as non-returnable. Shipping is not refundable. Prior to returning your purchase, a Return Merchandise Authorization (RMA) number will be provided to you.

Refunds on returned items will be issued in the same payment form as received from the customer at the time of purchase. Once we receive the product and it passes inspection, we will credit your account. Please allow 3 - 6 business days for a credit to appear on your account.

If the item was sent back to us for an exchange, please allow 3 - 5 business days for the replacement to be processed.

No Returns/Exchanges on the following:

TVs and monitors 20" and larger
Special Order merchandise
Any item indicated on the website as non-returnable

For more information see our official Return Policy

  • Shipping Info
    We offer free ground shipping on every purchase of $300 and more for US and US territory. We deliver worldwide.
  • Payment Methods

  • Return Policy
    We Offer a 30-Day Money Back Guarantee