Is sata 3 backwards compatible.

[MacintoshMaster]

I want an hard drive for my powermac g5 2.3ghz dual processor (Western Digital Black) and it is Sata 3. Will it work?

 

[zen.state]

You can read all about it yourself right here: http://en.wikipedia.org/wiki/Serial_ATA

 

[Gav2k]

Wirelessly posted (Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7534.48.3)

Op you should be ok but it can't be a sure this as backwards comparability isn't 100% tested.