DELL 2130cn. Maximum resolution: 600 x 600 DPI, Print technology: Laser. Print speed (black, normal quality, A4/US Letter): 20 ppm, Print speed (colour, normal quality, A4/US Letter): 16 ppm. Internal memory: 256 MB, Maximum internal memory: 1250 MB. Processor clock speed: 400 MHz. Maximum input capacity: 501 sheets