Sony 8X SATA Internal Slim DVD+/-RW Drive Bulk with out Software (AD-7690H-01) Drive Type: Slim DVD+/-RW Drive Read: DVD: 8X CD-ROM: 24X Write:DVDR: 8X DVDR DL: 6X DVDRW: 8X/6X DVD-RAM: 5X CD-R: 24X CD-RW: 24X Random Access time: DVD - 180ms; CD - 150ms Interface: SATA Burst transfer rate: PIO, DMA