Sata 2 transfer speed is 300Mb/s which more than exceeds a hdd's read/write speeds, the only place you will notice a difference between sata 2 and 3 is when using an ssd
Sata 2 transfer speed is 300Mb/s which more than exceeds a hdd's read/write speeds, the only place you will notice a difference between sata 2 and 3 is when using an ssd