Apple part number 661-3889 is an 8x Super Drive optical disc drive designed for iMac 20-inch systems. This internal drive supports read/write operations for CD-R, CD-RW, DVD-R, DVD-RW, and DVD+R media at speeds up to 8x, with backward compatibility for legacy CD formats. The drive connects via SATA interface and mounts in the standard 5.25-inch optical bay of compatible iMac models from the Intel transition era. Typical use cases include software installation, disc authoring, media playback, and legacy system archival. Compatible with iMac 20-inch mid-2006 through early-2008 generations. Each unit has been tested and is guaranteed functional; available via quote from G5 Network Group.
