The Epson 536Wi supports a maximum resolution of 1600 x 1200 (UXGA). That's over six times the resolution of a 640 x 480 (VGA) projector, which is the most frequently found resolution supported by 16000:1 contrast ratio multimedia projectors that came out more than two years ago. 640 x 480 (VGA) is also supported by this data projector. This projector also support supported graphics resolutionss of 1280 x 960, 1366 x 768, 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1400 x 1050 (SXGA+) and 1440 x 900 (WXGA+) and 800 x 600 (SVGA).
A 1600 x 1200 (UXGA) supported graphics resolutions is in fact the best supported resolution across all projectors of a similar age and type to the 536Wi.
Across comparable types of projector the worst supported resolution is 640 x 480 (VGA).