We are proud to offer LD Products brand compatible cartridges and supplies for your HP LaserJet Pro 400 M451nw. Our compatible cartridges for the LaserJet Pro 400 M451nw are the economical way to produce premium prints. We also offer OEM alternative replacement cartridges manufactured by Xerox, specifically designed to meet Xerox's high performance standards. Xerox replacement cartridges deliver the high-quality performance of an original HP cartridge at a fraction of the price and are manufactured in the USA. We also carry original HP cartridges which offer the reliability that you can expect from HP and come with standard manufacturer warranties.