New firmware version: CC4H Model Number Part Number Capacity ST3000DM001 9YN166 3TB ST2500DM001 9YN16L 2.5TB ST2000DM001 9YN164 2TB ST1000DM003 9YN162 1TB Previous versions of firmware with these models and part numbers are CC46, CC47, CC49, CC4C, or CC4G.