Is a sata III cable different than a sata II cable?

Im looking to buy a new SSD from Crucial, the 6Gbps sata III model. Im pretty sure it doesnt come with any cables, so I'm wondering if I can use sata II cables to connect the sata III SSD to my sata III slot on my P6X58D-E motherboard. Or do I need to buy special 6Gbps cables in order to get the full speed.
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