Optical & Floppy & Zip Drives - Data Transfer Rate: DVD-ROM (Up to 8X) DVD+R/-R (Up to 8X) DVD+RW (Up to 8X) DVD-RW (Read) (Up to 8X) DVD-RW (Write) (Up to 6X) DVD+R DL/-R DL (Read) (Up to 8X) DVD+R DL/-R DL (Write) (Up to 6X) DVD-RAM (Up to 5X) CD-ROM/-R (Up to 24X) CD-RW (Write) (Up to 16X) Gbps