- Use the HP Z820 Liquid Cooling Heatsink Module when you order a secondary processor for your HP Z820 if your first processor has HP Liquid Cooling
HP 45/78 Inkjet Print Cartridges Multipack covers both your black and your colour printing needs in one convenient 2-pack. It provides easy access to fast printing in laser-quality crisp, black text and great photo quality images. Fade-resistant colours and the best combination of speed and print quality in any print mode [p1].
[p1] Using genuine HP supplies ensures availability of all HP printing features.