HP Color LaserJet 5550DN Printer Up to 27 ppm print speed for black and color images Large format, up to 11 x 17 inches; 600-sheet input capacity; auto-duplexing 533 MHz RISC processor, 160 MB memory, expandable to 544 MB USB 1.1 and parallel ports, 2 open EIO slots, Fast Ethernet internal print server PC and Mac compatible; 1 year warranty