Premium Compatibles - HP 971XLMG 971XL Magenta InkJet Cartridge 6.6K Yield for use in HP OfficeJet Pro X451, X451DN, X451DW, X476, X476DN, X476DW, X551, X551DW, X576, X576DN, X576DW Genuine PCI Brand Quality Made in the USA. TAA / GSA Compliant.