Dell External USB Ultra Slim USB DVD +/- RW Optical Drive 429-AAUQ Dell Ultra Slim External USB Slim DVD +/- RW Optical Drive with Plug & Play Feature Ultra Slim & Lightweight design with Pre-loaded CyberLink Media Suite Play or burn DVDs or CDs by connecting this Drive to USB port in your computer/Laptop/Ultrabook This premium, external optical drive is powered by your Ultrabook's or notebook's USB port, so no batteries or power cords are necessary. Read Speed: 24x (CD) / 8x (DVD) | Write Speed: 24x (CD) / 8x (DVDR) / 6x (DVDR DL) | Rewrite Speed 24x (CD) / 6x (DVD-RW) / 8x (DVD+RW) / 5x (DVD-RAM)