The original HP CN621AE ink cartridge is specifically designed to deliver optimal performance in HP Officejet Pro X451 printers, ensuring seamless integration and professional results from the very first page. This black ink cartridge provides consistent, high-quality prints, ideal for producing documents in professional environments that demand sharp text and uniform output every time. Its original format guarantees maximum compatibility and reliability, preventing common issues associated with generic supplies and preserving the printer’s durability. With a weight of 190 g and an optimized design, installation is quick and easy, supporting uninterrupted workflow in offices and workgroups with constant printing needs. Additionally, HP’s solution includes convenient recycling options for the cartridge, promoting responsible waste management. With this ink cartridge, users achieve durable, high-quality documents that meet the professional printing standards HP is known for. This model is the safe and efficient choice for those seeking reliable results with HP Officejet Pro X451 devices.