A:Answer The power supply is 180W Gold efficiency. It would probably support another internal hard drive.
L68306-001 Cable - Pwr(1*4) to SATA(6p)ST,150mm, BL,RoHS2
L68307-001 Cable - CA ASSY,165mm,SATA DATA,ST,BL,Ro2,RF
L68308-001 Cable - Pwr(2*2) to SATA(15p)ST,200+80mm,BL,Ro2