You are used to using CDs on your iMac, and sometimes even burning movies or music to lend to those around you or when traveling. But the reader / writer of your iMac 27 "At the end of 2009 died, you are looking for a new one! At MacManiack we therefore offer this Hitachi DVDRW SuperDrive X8 SATA Reader / Writer, which is perfectly located on iMacs with its slim 12.7 mm design. With this reader / writer, you will burn your DVD + RW at x8 speed, and CDs at x24 speed! You can reuse your iMac normally, as you always did until 'so.