The highest resolution supported by the NP-UM351W is 1600 x 1200 (UXGA). That's over six times the resolution of a 640 x 480 (VGA) projector, which is the most common resolution supported by 4000:1 contrast ratio multimedia projectors that have been on the market for around the same time as the NP-UM351W. 640 x 480 (VGA) is also supported by this multimedia projector. In addition, this projector support supported graphics resolutionss of 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 800 (WXGA), 1400 x 1050 (SXGA+) and 1440 x 900 (WXGA+) and 800 x 600 (SVGA).
This data projector's resolution (1600 x 1200 (UXGA)) is in fact the best supported resolution across all projectors of this type and age.
The worst supported resolution amongst comparable types of data projector is 640 x 480 (VGA).