Model No.  UJ-875A Interface SATA Type of loading Tray load Installation Internal Media support Reading Writing DVD-RAM 6X 5X DVD-R 8X 8X DVD-R DL (Dual Layer) 6X 2X DVD-RW 8X 4X DVD+R 8X 8X DVD+R DL (Double Layer) 6X 2.4X DVD+RW 8X 4X CD-R 24X 24X CD-RW 24X 16X Buffer size 2MB Specification Size(LxWxD) 128x129x12.7 mm Weight 140+/-10g Power supply Voltage DC5V+/-0.25V Power consumption 1100mA System requirement CPU Pentium 4 1.3GHz or faster CPU RAM 512 MB DRAM Required HDD Space HDD must have up to 10GB free space for DVD authoring Operation System Windows Windows®2000 Windows®XP  Windows®Vista Application All ACER laptops (excluding 3 series) ASUS M1,M2,M3,M6 (excludes M5 and W5) Mac iBook, PowerBook, G5, Mac mini. ALL DELL laptops SONY T series Toshiba (needs set firmware to Master) And many other brands that use a 12.7mm drive Note: Compatibility may change without notice, please make sure you contact your system manufacturer to verify compatibility with your system prior placing your order