Protokart Portable External USB 3.0 DVD Drive for Windows 10/8/7 Laptop Desktop (Medium, Black and White) Protokart - Powered by KGM Innovative SolutionsSpecificationsProduct dimension: 16.7 x 16.5 x 3 cmInternal Chip: 9.5mmUSB Interface: USB3.0 (Backwards compatible with USB2.0 & 1.0)Working Voltage: 3-5VCompatibility System:Windows 2000, XP, Vista, 7, 8, 10 and all versions of MAC OS systems Computers: laptop, desktop and other computers with USB ports. This drive is not fully compatible with computers of windows 10 system due to the compatibility issues between windows 10 itself and the external hardwares.Write Speed(MAX):CD-R: Max24X CAVCD-RW: 4X CLVHigh Speed CD-RW: 10XCLVUltra Speed CD-RW: Max 24X Zone CLVDVD-R: Max.8X CAVDVD-R DL: Max.6X Zone CLVDVD-RW: Max.6X Zone CLVDVD+R: Max.8X CAVDVD+R DL: Max.6X Zone CLVDVD+RW: Max.8X Zone CLVDVD-RAM: Max.3-5X PCAV(4.7GB)Package included: 1x Smacc External DrivePlease hook up the device to the direct USB port on your computer. If you connect it to a USB hub or extension cords, it maybe cannot recognize the Driver or not read the CD/DVD.For the desktops, please connect the device to the USB port of the motherboard for normal use.