DELL Latitude E6500 E4300 Blu-ray burner writer player UJ-242Panasonic UJ-242 4X BD-RE Blu-Ray Burner 9.5mm Ultrathin SATA DVD Drive FeaturesSystem InterfaceSATAData transfer speedMax. 150 MB/sPerformanceCDKey: insert "Max X" speed for each media below. For CD 1X=150 KB/s; DVD 1X=1350 KB/s; BD 1x = 4.5 MB/sRead Max.24XDigital Audio Extraction (DAE) Max.20XWrite CD-R Max.16XWrite CD-RW Max.10XDVDRead (Single Layer / Dual or Double Layer)Max. 8X/6X (DVD-RAM 5x)Write DVD+/-R Max.8XWrite DVD+R Double LayerWrite DVD-RA Max.5XWrite DVD+RW Max.4XWrite DVD-RW Max.4X BDBlu-RayRead BD-ROM Max. 4XWrite BD-R (Single Layer / Dual Layer) Max. 4X/2XWrite BD-RE (Single Layer / Dual Layer) Max. 4X/2X