Philips 20X DVD+/-RW LightScribe SATA Drive Dynamic Calibration optimizes DVD writing quality of high-speed DVD+RW drives Single-sided double layer disc with 8.5GB Storage capacity Burner and Printer in one Plug & Play to install or add new components without having to perform any complex installations System Requirements - Pentium 4 1.3 GHz or higher CPU, 128MB or higher RAM, Hard Disk Drive with less than 20ms access time, 650MB Free space (Up to 9GB Free space for creating a DVD Image file), Windows XP and 2000 SP4