STANDARD E-IDE/ATAPI INTERFACE, EASY TO INSTALL,READS AT 40X SPEED, WRITES AT 32X, REWRITES AT 10X SPEED,SUPPORT DIGITAL AUDIO EXTRACTION ABOVE 16X SPEED,INCLUDES THE MTK SUPERLINK BUFFER WITH UNDERRUN ERROR PREVENTION TECHNOLOGY,DATA BUFFER: 2MB,DIMENSIONS (W X H X D): 148.2 X 41.8 X 200MM WEIGHT: 1KG