: Designed for frequent printing, these cartridges offer up to 550 pages for black and 750 pages for color—roughly 2–3 times the output of standard versions.
: Some 5-cartridge printers require both a "Standard Black" for text and a specialized "Photo Black" for glossy photo paper. Pricing & Value Bundles at Best Buy
For the best value, Best Buy offers individual cartridges, 3-packs, and comprehensive bundles. What HP Printers Use 564 Ink? - Bluedogink.com