CES 2012: ZOTAC USB 3.0 to HDMI Adapter Announced
January 10, 2012 6:02 PM
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Windows users can connect up to six of the adapters
Here's a little quick product announcement for you today from Las Vegas. ZOTAC today announced a new USB 3.0 to HDMI adapter for desktop and notebook computers.
The USB 3.0 to HDMI adapter, which uses DisplayLink USB graphics technology, allows you to add an additional display to your computer with a screen resolution of up to 1920x1200. Of course, full 6-channel digital audio is also supported using the adapter.
“Enjoy videos, photos, movies, web content and more on multiple HD displays with the ZOTAC adaptor,“ said John Cummins, VP of Sales and Marketing for DisplayLink. “With DisplayLink technology, you can expect high performance and crisp visual quality all with the ease of a USB accessory.“
ZOTAC indicates that a desktop or notebook computer running Windows can connect up to six of the adapters. Those running OS X will have to make do with just four. Another thing to consider for OS X users is the fact that no Mac (desktop or notebook) supports USB 3.0, so we're not so sure how well this device will work (or if it will support the maximum resolution of 1920x1200 or fallback to lower supported resolutions).
ZOTAC has not yet announced pricing or availability for the USB 3.0 to HDMI adapter.
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RE: how does it work?
1/11/2012 4:53:05 PM
It looks like the computer's internal GPU renders the images, a Virtual Graphics Card (VGC) converts the output to a stream which can be sent over a network (USB 3.0 in this case), the stream is sent to the hardware over USB 3.0, and the Hardware has a video adapter which converts the stream into an HDMI format.
That is based on what is found at
RE: how does it work?
1/11/2012 4:58:18 PM
1. DisplayLink software is installed on the PC and uses resources available in the CPU and GPU to process the graphical information from your USB connected display.
2. Updates to the screen are automatically detected and compressed using the DisplayLink compression technology (DL2+ or DL3). This adaptive compression technology automatically balances the compression methods based on the content, available CPU power, and USB bandwidth, providing the best possible USB graphics experience at any given moment.
3. Compressed data packets are sent over the standard USB 2.0 cable as quickly as possible to maintain a very interactive user experience.
4. A high speed DisplayLink chip embedded in the monitor, docking station, projector or adapter decodes the compressed data back into video or graphics data.
So it seems the software is merely redirecting the video output from your GPU, compressing it, and sending it through the USB connection to your additional monitor.
There are some nice pictures on the site which may help non-techies understand.
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