The HP LaserJet Enterprise M611dn is a monochrome laser printer with a print speed of up to 61 ppm, a 1.2 GHz processor, and 512 MB of RAM. It features automatic duplex printing, a 100-sheet multipurpose feeder, a 550-sheet input tray, and a 500-sheet output bin. Connectivity options include Ethernet, USB, and Wi-Fi, with support for mobile printing through apps like Apple AirPrint and Mopria