sata or sata II ?

A SATA cable is a SATA cable. Any cable should work just fine with a SATA I or II drive.
SATA I allows for max bandwith of 1.5 GB/s
SATA II allows for 3.0 GB/s.

The hard disk you have listed is SATA II, and the DVD drive doesn't matter. IIRC there's no differenciation between SATA I and II for optical drives, and they could never max out 1.5 GB/s anyway. Hard drives can't max out 1.5 GB/s either, but SATA II does offer a slight performance improvement.
 
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