HP 970 Black Original Ink Cartridge (CN621AM) for HP Officejet Pro X451 X476 X551 X576 Color: Black Original HP Cartridge Yield (approx): ~3,000 pages Lock in the quality and performance you expect from your HP Officejet Pro X printer with the cartridge it's designed to use. Create crisp documents that dry fast, resist water, and last for decades, using Original HP pigment ink cartridges Make the right choice for your budget - standard cartridges for a lower purchase price or high-capacity cartridges for an even better value. All Original HP pigment ink cartridges load in a snap and maintain quality until the last drop What's in the Box: New Original HP (genuine) ink cartridge HP Printer compatibility: HP Officejet Pro X451, X476, X551, X576.