Sony DDU1622/C1 Internal 16x DVD-ROM/48x CD-ROM Drive (EIDE) An internal IDE drive, the DDU1622/C1 installs easily in any standard full-size drive bay Sustained transfer rate - 21,632 KB/sec for DVD-ROM 512KB buffer memory Newly developed Sony Advanced Spindle mechanism stabilizes the drive, ensuring synchronized, even reading of imperfect discs Media Accepted - CD-ROM, CD-R, CD-RW, Single and Dual Layer DVD