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Question Physical differences between SATA1, SATA2 , SATA3?

popatim

Titan
Moderator
They are only different in their internal electronic communication connection much like differences in wifi connections. Sata will autonogtiate to work at the connection speed of the slowest device. Ie - Sata3 port with a Sata 1 drive will run at Sata1; sata1 port with a sata2 drive will work at sata1 speed.

This is not really a problem for HDD's which many cannot saturate even sata1 speeds
 

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