USB 3.0 External Slot DVD CD±RW Drive Burner Superdrive for MacBook Air Pro Mac
Write Speed: CD-R: 24X, CD-RW: 16X (US-RW), DVD+/-R: 8X, DVD+R Double Layer: Max.6X, DVD-RAM: 5X, DVD+RW: 8X. It's plug and play. If you connect it to a USB hub or extension cords, it maybe cannot recognize the Driver or read the CD/DVD.