Most flatbed scanners will do 4800dpi. You can often do 16bit color depth as wel...

contrarian1234 6 months ago | parent | context | favorite | on: How to Preserve Physical Photos

Most flatbed scanners will do 4800dpi. You can often do 16bit color depth as well (though you'll be limited to TIFF). File sizes are huge naturally and the scans take a very long time

Ex: https://www.amazon.com/Epson-Perfection-Resolution-High-Rise...

(first one that comes up when I typed "Amazon Epson Scanner")