HP (Hewlett Packard) LaserJet Pro 400 Color M451nw (CE956A) is a affordable, fast-printing color laserjet machine for your home or office color printing needs. M451nw prints up to 21 ppm at the maximum resolution of 600 x 600 dpi. Laserjet Pro M451nw comes with 300 sheets standard input capacity and 150 sheet capacity output tray. M451nw supports wireless, Hi-Speed USB and ethernet connections. Using HP ePrint, M451nw allows you to print from anywhere using both computers and handheld devices. HP LaserJet Pro M451nw uses HP (Hewlett Packard) 305A Black, 305X High Yield Black and three 305A Color (Cyan, Yellow, Magenta) cartridges. Cartridge model numbers are CE410A, CE410X, CE411A, CE412A, CE413A.