Question: I know I can use a 3Gb/s SATA hard drive with a 6Gb/s SATA port, but can I use a 6Gb/s SATA hard drive with a 3Gb/s SATA port? ?I am unable to find a definite answer.
Answer: Yes, they are backwards compatible, in the same way a USB3 hard drive can work with a USB2 port.