This "Mirror Drive Door" G4 will be needing some love. The MDD G4 Powermac is the last tower pc built by Apple that used the Motorola G4 processor and topped out at 1.42Ghz clock speed. No Powermac G4 computers ever shipped with SATA support, only ATA and SCSI. The Powermac G4 began life in August of 1999 and lasted till June 2004.