The company Other World Computing (OWC) introduced the adapter to connect additional monitors to a computer's USB 2.0 port Mac.
The device connects to the USB port, then it may be connected to the monitor interface VGA, DVI or HDMI. Score one for the Mac computer using these adapters can be up to 4 additional monitors. The adapter supports 32-bit color depth, resolution - up to 1600x1200 and 1680x1050 pixels. To operate the device requires Mac OS X 10.4.11 and above.
The Company cautions that the accessory does not support hardware acceleration OpenGL, so all applications that require OpenGL, Quartz Extreme, Quartz Composer, and other subsystems, based on OpenGL, will not work.
The cost of the device in the online store Macsales-$ 99.