Data Transfer Rate (MAX) Media Type Write Read DVD+R 8X (10.8MB/sec) 8X (10.8MB/sec) DVD+RW 8X (10.8MB/sec) 8X (10.8MB/sec) DVD+R DL (Double Layer) 6X (8.1MB/sec) 8X (10.8MB/sec) DVD-R DL (Double Layer) 6X (8.1MB/sec) 8X (10.8MB/sec) DVD-R 8X (10.8MB/sec) 8X (10.8MB/sec) DVD-RW 6X (8.1MB/sec) 8X (10.8MB/sec) DVD-ROM SL (Single Layer) - 8X (10.8MB/sec) DVD-ROM DL (Double Layer) - 8X (10.8MB/sec) CD-ROM - 24X (3.6MB/sec) CD-R 24X (3.6MB/sec) 24X (3.6MB/sec) CD-RW (US-RW) 24X (3.6MB/sec) 24X (3.6MB/sec) DVD-RAM - 5X (6.75MB/sec) Data transfer mode Ultra DMA Mode 2 : 33.3MB/sec, Multiword DMA mode2 : 16.6MB/sec, PIO Mode 4 : 16.7MB/sec, SATA 1.5Gbps Interface USB 2.0 Buffer Memory 1 MB Drive Installing Method Horizontal Size (W * H * D) 146mm(W) * 20.8mm(H) * 144mm(D)