EiioX SATA Slot in CD DVD Drive Burner for 9.5mm Unibody Macbook Pro UJ868A UJ898A GS21N GS22N GS23N This is Apple MacBook(Aluminum Late 2008) 13" 8x Slot CD/DVD-RW Drive Burner GS31N Simply insert the disc into the slot of the disc then moves quickly into the interior GS31N is a remarkably compact, internal SlimLine DVD-RW Drive with 9.5 mm height and SATA interface. This DVD burner is plug & play capable and is easily recognized by your Macbook. Readable Format(s):CD-R, CD-ROM, CD-RW, DVD+R, DVD+R Dual Layer Writable Format(s):CD-R, CD-RW, DVD+R, DVD+R Dual Layer, DVD+RW