Yes. A data and power cable to each one.memory said:On the hard drive and dvd drive, should there be just 2 cables connected to each one?
Everything seems to be ok. It's kind of hard to tell, because of all the wires. You should really try cleaning it up. With all the wires in the middle like that, the airflow won't be so good. It's like you're trying to run through a forest, rather than running through an open field.