The NP-PA550 supports a maximum resolution of 1920 x 1200 (WUXGA). That's over seven times the resolution of a 640 x 480 (VGA) projector, which is the most frequently found resolution supported by projectors of this spec and age. 640 x 480 (VGA) is also supported by this data projector. This projector also support supported graphics resolutionss of 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1400 x 1050 (SXGA+) and 1600 x 1200 (UXGA) and 800 x 600 (SVGA).
A 1920 x 1200 (WUXGA) supported graphics resolutions is actually the best supported resolution amongst all 2000:1 contrast ratio data projectors that have been available for a comparable time to the NP-PA550.
Amongst comparable types of multimedia projector the worst supported resolution is 640 x 480 (VGA).