Full Details from Amazon.com : http://www.amazon.com/gp/product/B000069LIL?tag=onigi-20

Brother PPF4750E IntelliFax 4750e High-Performance Business-Class Laser Fax

Super G3 336 kbps high speed fax modem
Up to 15 ppm laser engine for sharp fast copying
8 MB memory stores up to 600 pages
50-page auto document feeder 250-sheet paper tray
Parallel and USB interfaces optional 10100 baseTX Ethernet