This genuine HP 564XL black ink cartridge is perfect for those who want to achieve high-quality prints. It is compatible with HP printers and is made with inkjet technology. This unit comes with one cartridge and is suitable for all your printing needs. The color of the ink is black, which is perfect for printing documents or images with high contrast. The model number is HP 564XL, and it is compatible with various HP printers. Please refer to the pictures for a list of compatible models. This unit is perfect for those who want to achieve professional-quality prints without worrying about the quality of the ink.