Why some notebooks have to have hard drives soldered to the motherboard

Many people have had such an experience, the notebook bought found that the hard disk is fixed, there is no opportunity to provide you with the opportunity to replace or expand the hard disk, sometimes can't help but wonder, what is the purpose of this? Is it possible to save internal space? Or is it better for heat dissipation?

Some netizens pointed out that in fact, the biggest benefit of hard disk welding is that the user cannot replace it himself, so the manufacturer can sell the model with higher storage at a high price and obtain higher profits. This sentence actually pokes at the purpose of the manufacturer. Dear friends, what do you think?

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