HP COLOR LASERJET ENTERPRISE M553X – 5-15 USERS, PRINT UP TO 38 PPM BLACK (A4), UP TO 38 PPM COLOUR (A4), UP TO 38 IPM BLACK DUPLEX (A4), UP TO 38 IPM COLOUR DUPLEX (A4), HP EPRINT, APPLE AIRPRINT™, MOPRIA-CERTIFIED, STANDARD: HI-SPEED USB 2.0 PORT; BUILT-IN FAST ETHERNET 10/100/1000BASE-TX NETWORK PORT, MEMORY STANDARD 1 GB, 4 GB NON-VOLATILE STORAGE, STANDARD INPUT: 100-SHEET MULTIPURPOSE TRAY, 550-SHEET INPUT TRAY 2, 550-SHEET MEDIA INPUT TRAY 3, AUTOMATIC DUPLEX PRINTING. SUPPLIES: BLACK