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A study, funded by Displaylink, has been released recently discussing the relationship between multi-display setup and power consumption. Displaylink engineers measured the power required for a PC to run from one to four LCD monitors. Two PCs of the same configuration were put to the test where one was equipped with Displaylink USB video products (eg. Samsung 940UX) and the other with dual-DVI graphics cards. The PCs were then checked for their power usage under different scenarios. When the data came in, it wasn't a surprise that the quad-display setup driven by Displaylink required less energy than the discrete graphics solution. This is mostly due to the addition of a dual-DVI card for the quad-display that ended up drawing 117W power compared to under 16W with USB. Therefore, the study (warning: PDF) came to the conclusion that USB multi-monitor setup - powered by none other than Displaylink solution - consumes up to 80% less power than that of discrete graphics. Video after the jump. About Everything USB
USB technology is the de facto connectivity standard for PC peripherals & consumer electronics; it has evolved from USB 1.1 to USB 2.0, Wireless USB and USB 3.0. Everything USB takes an in-depth look at these products and other offbeat USB gadgets, and brings you information and reviews needed for you to make a purchase decision. Welcome and enjoy your stay. If you would like to contact us with a tip or comment, please write to: newstips@everythingusb.com
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Filed under Hardware
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