Supported disc formats: DVD-RAM, DVD-R, DVD-RW, DVD+R, DVD+RW, CD-R, CD-RW, CD-ROM. 3.0 USB External CD Drive Portable DVD-RW CD-ROM CD-R VCD for Laptop Desktop PC. If you connect it to a USB hub or extension cards, it maybe cannot recognize the device or cannot read the CD/DVD.
eBay