Hyper FFF technology The Hyper Speed Upgrade Kit is the first product from Raise3D’s Hyper FFF technology. With the upgrade, the printing speed of a Pro3 Series3D printer is boosted from an average of 50-80mm/s to 200-350mm/s, and acceleration is boosted from 1,000 mm/s2 to 10,000 mm/s2, with no loss of accuracy or part quality. The Kit includes: An Upgrade Letter Software Upgrades Two Hyper Speed Hot Ends 0,4mm (Pro3 Series Only) A Hyper Speed Auto Calibrator (Pro3 Series Only) A Spool of Hyper Speed PLA Filament White 1 kg / 1.75 mm A Spool of Hyper Speed ABS Filament Nat