- Print Speed: up to 33 ppm - Connectivity, Std: 2 Hi-Speed USB 2.0 Host ports, Hi-Speed USB 2.0 Device port, Gigabit Ethernet 10/ 100/ 1000T network port, Hardware Integration Pocket, 2 internal USB Host ports - Reduce energy use by 19 to 66 percent by setting the Auto-On/ Auto-Off mode. - Width:514 Mm - Depth:491 Mm - Height:565 Mm - Header / Model:Enterprise 500 color M551xh - Processor Clock Speed:800 MHz - RAM Installed Size:1 GB - RAM Max Supported Size:1 GB - Hard Drive Capacity:250 GB - Printer Type:Laser Printer - Printer Technology:Laser - Duplex Printout:Automatic - Duty Cycle:Up to 75,000 pages - Printer Interface:USB host USB - 2.0 Ethernet 10/100/1000Base-TX - Printer Output:Color - Printer Speed:Up to 33 ppm - Interfaces & Connections:2 Hi-Speed USB 2.0 Host ports; 1 Hi-Speed USB 2.0 Device port; 1 Gigabit Ethernet 10/100/1000Base-TX network port;1 Hardware Integration Pocket; 2 internal USB Host ports - Service & Support Type:1 year warranty - Energy Star Compliant:Y