The MD-series SANs will only accept MD-series certified drives. This means that retail and generic OEM drives won't work. Your PowerEdge drives (assuming they were purchased from Dell or are Dell OEM'd drives purchased through a 3rd party) may or may not work. The specific drive model works, but the firmware on them may not be the right version (and there is no documented/supported way to change the firmware to MD-series supported firmware. I wouldn't count on the PowerEdge drives working in an MD-array.
Hello We are looking for a SAN now, and one of our choices is the "MD3600f", and we were wondering if it possible to use our R710's HDD's instead of buying a new drives. HDD Specs: Hitachi Ultrastar HUS156030VLS600 SAS 15K600 300GB  Thank you for your help and time.
R710 Drives in MD3600f