Samsung SE-506AB/TSBD 6X USB2.0 External Slim Blu-ray Writer Drive (Black) Drive Type: External Slim Portable Blu-ray Writer; Loading Type: Tray Write: BD-R DL 6X, BD-RE DL 2X, DVD+R/-R 8X, DVD+RW/-RW 6X, DVD+R/-R DL 6X, DVD-RAM 5X Read: BD-ROM/-R/-RE DL 6X, DVD-ROM/+RW/-RW/+R/-R 8X, CD-ROM 24X Interface: USB 2.0, 4MB Buffer Memory Average Seek Time: BD-ROM - 200ms; DVD-ROM - 130ms; CD-ROM - 130ms