Speedy Inks Remanufactured Ink Cartridge Replacement for HP 901XL High Yield (Black, 4-Pack) For use in Hewlett Packard: OfficeJet G510a, OfficeJet G510g, OfficeJet G510n, OfficeJet J4524, OfficeJet J4540, OfficeJet J4550, OfficeJet J4580, OfficeJet J4624, OfficeJet J4660, OfficeJet J4680, OfficeJet J4680c, & OfficeJet 4500 Page Yield: 700* | *Average cartridge page yield in accordance with ISO IEC 24711 Shelf Life: 12-18 Months Color: XL Black | Pack of 4 The use of aftermarket replacement cartridges and supplies does not void your printer's warranty