Epson DS-32000 - Document scanner - Dual CIS - Duplex - A3 - 600 dpi x 600 dpi - up to 90 ppm (mono) / up to 90 ppm (color) - ADF (120 sheets) - up to 40000 scans per day - USB 3.0 - Walmart.com
Amazon.com: Plustek T300 A3 Large Format Document Scanner - High Speed Duplex with 100 Sheet Automatic Document Feeder (ADF), One Touch Scan and Save with Twain Driver : Office Products
Fujitsu fi-7700 : Duplex A3 Document scanner with flatbed unit and 300 A3 sheets ADF - 80 ppm - Spigraph International