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A full-HD usb to DVI adapter adds another 1920 x 1080 canvas to your system. If you can come up with creative ways of filling that space, you most probably could make use of a decent USB to DVI adapter. Which external USB video connector supports 1080P? Interestingly enough, not all of them. Those built with the DisplayLink DL-195 chipset are good candidates, but the final outcome depends on the actual implementation as well. A notable model based on this chipset is the Plugable UGA-2K-A. It comes with a native DVI-D output, ready to serve your monitor with 1920x1080 or 2048 x 1152 resolution or near arbitrary pivot and landscape aspect ratios below that. It comes with DVI to VGA and DVI to HDMI converters in the box, making installation all that much more simple. Why is Full-HD Support Important? Two reasons. The first is that the full-hd 1080p standard is a wide-screen aspect ratio (16:9) rather than the usual 4:3. Not all adapters are capable of wide-screen resolution, even though some go as high as 1900 x 1200. By buying an USB to DVI adapter, which supports 1080p, you ensure it works with any widescreen display below that particular resolution, HD-Ready 1366 x 768 Flat-screen TVs are, for instance, make very good use of this feature. The second reason is that Full-HD is the new de-facto industry standard for cheap desktop monitors, and high-end flat-screen TVs. If your adapter can't handle it, it's not future proof enough to be worth its $65. Don't forget that the processor in your laptop is responsible for rendering the image on all external displays that are not connected to the built-in HDMI or DVI outputs. It means that you may not be able to watch 1080p high-definition content (movies) on those screens without heavily taxing the CPU. 720P usually works without issues on laptops that are less than two years old, and 1080P filled with light office apps are more than likely to work fine, too. Conclusion Full-HD support is important on a USB-DVI adapter for several reasons. It's in wide-screen aspect ratio (which is a must for proper picture on flat-screen TVs), it's the most future-proof resolution in 2011 and it ensures you get the most of your money.

Try and aim for DisplayLink DL-195 or DL-165 based products such as the Plugable UGA-2K-A or Diamond BVU195. These enjoy the best driver support on Windows, support Full-HD and can be had for anything between $50 and $75.

For more information on USB to DVI adapters, feel free to head over to my blog.

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Full-HD USB to DVI Adapters  

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