1. Two 3.5 inch internal SATA or SATA II hard drive only.
2. You can install 1TB or more on each slot if you wish.
3. You can buy External USB or Ethernat based 3.5 inch Hard drive enclosure and buy another internal quiet operating hard disk. Hard drive enclosure supports any amount of Hard drive capacity.
4. You can buy External Hard drive to increase the capacity of your media.
For cables required for hard drives, please go back to the table of contents and click on ''Cables''
I will update this part if necessary. Please contact me as soon as possible if you have any problems or any queris. Thank you.