Read Speed: CD-R24/CD-RW24X/DVD+R8X/DVD+RW8X Burner Speed: CD-R24/CD-RW16X/DVD-R8X/DVD-RW8X/DVD+R8X/DVD+RW8X/D9-RAM 4X Material: Alloy+Plastic Size (L*B*H): approx. (14.6*14.3*1.6)cm Product is tray loading external portable ODD caddy which is suitable to USB 2.0/3.0 connector desktop or laptop Via the USB interface, external drives and computers are successfully read information function. Compatible with Windows xp / 2003 / Vista / 7 / 8.1 / 10, Linux, Mac OS system. No need to install the driver program, support plug and play. The data cable adapt the design of embedding into product, the impedance of pure copper mesh technology is low, Shield is strong, data transmission is more stable. Supported disc formats: DVD-RAM, DVD-R, DVD-RW, DVD+R, DVD+RW, CD-R, CD-RW, CD-ROM Brand No Brand SKU OT776EL0P28SCNAFAMZ-246776