HP [E6B71A] LaserJet Enterprise 600 M605x

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A4 | 512 MB standard (expandable to 1.5 GB through one 90-pin SDRAM slot) | 1.2 GHz | 7 sec | Hi-Speed USB 2.0 (Host and Device) | up to 58 ppm / 55 ppm (M605s) & up to 65 ppm / 62 ppm (M606s) (Letter/A4) | Monthly Duty Cycle up to 225,000 pages & up to 275,000 pages | Windows,Linux,Mac OS | 1 Year Warranty