Tripp Lite's U344-001-VGA USB 3. 0 to VGA Multi Monitor External Video Adapter allows you to connect an additional monitor or projector to a computer/laptop's USB 3. 0 port. Up to six adapters can be used simultaneously, allowing the user to connect up to six additional monitors to a single computer. Once the installation is done, the computer screen appears on the add-on monitor(s) without the hassle of function keys to swap to a second monitor. Supports video resolutions up to 2048 x 1152 (60Hz), 1080p (60Hz). Windows and Intel Mac compatible. Key Features Add an additional VGA monitor through a single USB 3. 0 port Use up to six adapters simultaneously, adding up to six additional monitors to a single computer View large spreadsheets across multiple screens by extending video amongst all monitors Play video on one monitor while working on another Do multiple screen presentations from a laptop computer Bus powered. No external power adapter needed Features 512MB DDR2 SDRAM of memory Supports video resolutions up to 2048 x 1152 (60Hz), 1080p (60Hz) Compatible with Windows XP, Vista, 7, 8, and 8. 1. Supports both 32-and 64-bit. Supports Surface tablets running non-RT Windows 8 and 8. 1 Compatible with Intel Mac OS X 10. 8 (10. 8. 3 and later), 10. 9 and 10. 10 (Mac OS X 10. 9 and 10. 10 is limited to a single add-on monitor. See driver Release Notes for details) Supports both 32-and 64-bit. Mac OS X versions 10. 8. 5 and earlier do not support audio over USB 3. 0. Mac OS X versions 10. 7. x and earlier do not support USB 3. 0. Uses Display Link DL3100 chipset.