This is a replacement Apple Combo Drive Burner CD-RW/DVD-ROM 24X/8X/8X/8X for the Powerbook G4 Titanium . This Product has been replaced by product 16470. Click here to go to that product. If your unit originally had a DVD drive only (400mhz and 500mhz models and some models of the 550 and 667mhz) Then you need a mounting bracket and ICB (interconnect board) to use this drive in your unit. You need to choose this option from the drop down box below. ( * Note - The ICB allows you to use your existing cable with this drive. If your existing cable is damaged we can substitute a combo drive cable for the ICB. Email email@example.com if this is the case.) This drive is fully compatible with Apple iTunes and Disc Burner. We include the necessary drivers. One Year Warranty on all parts and labor!