Samsung SH-S183 18x DVD&plusmn;RW Lightscribe Dual Layer SATA Drive (Black) Samsung SH-S183 18x DVD&#177;RW Lightscribe SATA Drive General Features: Black bezel 2 MB buffer Interface: SATA 1.5 GBps Average Seek Time DVD-ROM: 130 ms Average Seek Time CD-ROM: 110 ms Lightscribe technology Buffer Under Run Free Technology Write Speed: DVD-R: 18x DVD+R: 18x DVD-RW: 6 DVD+RW: 8x Double Layer: 8x CD-R: 48x CD-RW: 32x Read Speed: CD: 48x DVD: 16x Supported Disc: DVD-RAM, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RW, DVD-Video, DVD-ROM, CD-R, CD-RW, CD-ROM,