The magic happens with the new 11 GHz-rated memory chips and an updated video BIOS, which tells the GP104's memory controllers how to work reliably at 11 GHz. These SKU updates have prompted a slew of new product launches from NVIDIA add-in board partners. The refreshed GTX 1080 and GTX 1060 6 GB are clearly distinguished from the originals by memory speed markings in the SKU label (that green square in the bottom-right corner of the graphics card box).