Samsung SE-S184 18x USB 2.0 DVD??RW LS External Drive (Black) SamsungSE-S184 18x USB 2.0 External DVDRWDL LS Drive General Features: Black case with silverstripe USB 2.0 interface 480 Mbps data transfer Double-Layer (DVDR9) support LightScribe technology External drive 2 MB buffer 18x DVDR 8x DVDR9 (Double-Layer) 8x DVD+RW 6x DVD-RW 16x DVD-ROM 48x CD-R 32x CD-RW 48x CD-ROM Supports DVD-RAM Multi-format support for media compatibility Burst transfer rate UDMA Mode 2: 33 MB/s