The DualHead2Go has added some functionality over their previous analog edition, and addresses some issues. For one, the unit supports widescreen digital displays, and can be used with both analog and digital monitors (although not at the same time). Usability is improved by implementing USB power to the unit. Matrox’s desktop management software now features flexible desktop customizatoin that is much better than traditional multi-monitor support.
To add even more flexibility, you can mix and match monitors: one or both can be analog or digital (although this is not a Matrox supported configuration. I was successfully able to achieve this setup). Those who want a completely digital signal from end-to-end (or want to mix and match analog and digital monitors) will want to upgrade to the TripleHead2Go Digital Edition, which supports both digital input and output, and can also function in Dual-Head mode.
The DualHead2Go is intended for productivity, and its usefulness is limited in gaming. Gaming enthusiasts should look at the TripleHead2Go Digital Edition.
Mac OSX running 3 displays (two from DualHead2Go, one from free DVI port)
Since only two monitors are used, you will not run into the DirectX9’s desktop limitation of 4096×4096. You will be able to run both of your digital monitors in their native resolution (up to 1920×1200), while enjoying a more robust experience than traditional multi-monitor. Although the desktop management software tries to put new windows and dialog boxes on a particular display, some software doesn’t behave and either pops up between the two monitors or launches in both displays. If your video card has two outputs, you can even connect a third monitor (but the 3rd monitor is treated as a seperate unit).
As a productivity tool, the Matrox DualHead2Go gets around several limitations of traditional multimonitor. This product would be more helpful to laptop users where there is no physical way to upgrade to multiple displays, but is also helpful for the desktop user who is fed up with traditional multi-monitor support.
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