HP CF287X (HP 87X) High Yield Black Toner Cartridge is designed to perform in the HP LaserJet Pro M501n, M501dn; LaserJet Entprise M506n, M506x, M506dn, M506dh; LaserJet Enterprise Flow MFP M527z, M527dn, M527f
HP CF287XD (HP 87X) High Yield Pack Toner Cartridges is designed to perform in the HP Flow MFP M527; LaserJet Enterprise M506; LaserJet Enterprise MFP M527; LaserJet Pro M501dn