^{SKU: HP Officejet Pro K850 (hp Office Products)}
From Deskjet 9800 series: lower color and black cost per page and individual ink cartridges

Print business documents, posters and more in-house. Get speeds up to 24 ppm black, up to 21 ppm color in Draft mode. Print reliably and efficiently with four individual HP ink cartridges. Flexible networking—from optional to built-in networking.

^{SKU: HP Officejet Pro K850dn (hp Office Products)}

From Officejet Pro K850: built-in networking and included auto two-sided printing