Why are the Borg so powerful?

Why do the Borg, a cyborg race depicted in science fiction franchises, possess such immense power? What are the key factors that contribute to their seemingly unbeatable strength? Is it their advanced technological capabilities? Their relentless pursuit of assimilation and data assimilation? Or perhaps it's their ability to adapt and evolve, incorporating the technologies and strengths of other civilizations into their own? Understanding the reasons behind the Borg's dominance could provide valuable insights into how technology and adaptability can shape the balance of power in the future.