Enjoy a fast and effective storage system for your personal workstation with the 52x Sony CD-ROM Total Price Access CD-DA, CD-ROM, CD-ROM/XA, VCD, Karaoke CD, Photo-CD, Enhanced CD, CD Extra, I-Trax CD, UDF, and CD-Text. Improved mechanism: SONY Advanced Spindle Mechanism (SASM), which enhances the stability of the drive, reducing vibration and read errors from occurring. Drive Type CD-ROM Drive Drive Read Speed 52x Max Average Access time 80ms Disc diameter 12cm and 18cm Data Buffer 128KB Interface ATAPI / EIDE Physical Dimensions W x H x D : 145.8 x 41.3 x 190 mm, Weight : 0.9 kg Power Requirements DC +5V +/-5%, DC + 12V +/- 10% Compatibility Operation System : DOS 6.xx or higher, Win 3.1x, Win 95/98/2000, Win NT, OS/2 Wrap 3.0 or higher