Memorex 16x Dual Format, Double-Layer Internal DVD Drive (32023292) IDE interface 16x DVD+/-R, 4x DVD+RW (Double-Layer), 4x DVD+/-RW, 16x DVD-ROM, 48x CD-R, 24x CD-RW, 48x CD-ROM Includes customized Nero software suite Built-in buffer underrun protection Built-in Flash-ROM for online upgradability