Print 11 comment(s) - last by Trisped.. on Jan 11 at 4:58 PM

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.

Source: ZOTAC

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RE: lag
By DanNeely on 1/10/2012 7:17:24 PM , Rating: 5
USB2 has enough theoretical bandwidth to support (uncompressed) 640x480x24(bit)x60hz video. With a junky 1280x1024 monitor you need >4 compression (probably 5x in the real world) to squeeze your video out the USB2 port; 5.75x theoretical for a mid range 1680x1050 screen. USB2 video can't help but fail when so severely bottlenecked.

USB3 has theoretical bandwidth similar to HDMI/Single Link DVI. While the adapter might have to add another frame or three of input lag to deal with USBs loose QoS requirements; there's no reason not to expect decent video quality (non gaming) from it unless you're sharing the controller with an eSSD with lots of IO.

RE: lag
By MGSsancho on 1/11/2012 4:26:44 AM , Rating: 2
Bandwidth we see advertised for USB is total. Device that by two for each direction. Encoding and other overhead along with other USB devices (webcams, mass storage, mice, keyboards, usb audio, who-knows) also take up bandwidth.

RE: lag
By DanNeely on 1/11/2012 6:29:06 AM , Rating: 2
That's clearly wrong. The 480Mbps (60MBps) is shared among read/write but isn't required to be 50/50. USB2 HDs can get >40MBps in sequential read; ~2/3rds of the theoretical bandwidth in a unidirectional transfer.

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