Monochrome printing up to 47 ppm at 1,200 x 1,200 dpi. 1.05 GHz dual core processor. Two-sided printing. Duty cycle of 150,000 images/months. 550-sheet paper tray. Ethernet Gigabit, USB and WiFi connectivity. 18.1 x 16.8 x 13.3 in. Sold by each.