Samsung SE-506BB/TSBD 6X USB2.0 External Slim Blu-ray Writer Drive (Black) Drive Type: External Slim Blu-ray Writer Interface: USB 2.0 Average Seek Time: CD-ROM(190ms), DVD-ROM(180ms), BD-ROM(350ms) Write: 8X DVD+R/-R, 6X DVD+R/-R DL, 8X DVD+RW, 6X DVD-RW, 5X DVD-RAM 6X BD-R SL/DL, 2X BD-RE SL/DL, 24X CD-R/CD-RW Read: 8X DVD+R/-R, 8X DVD+R/-R DL, 8X DVD+RW/-RW, 8X DVD-ROM, 5X DVD-RAM 6X BD-R SL/DL, 6X BD-RE SL/DL, 24X CD-R/CD-RW/CD-ROM