ASUS CD-S520/A5 is the most reliable choice of CD-ROM drive with the breakthrough in sustainable accuracy and stability under high speed.The ASUS CD-S520/A5 breaks through the bottlenecks inherent in traditional CD-ROM technology with innovative solutions to sustain accuracy and stability of high-speed data transfer.The next-generation DDSS II (Double Dynamic Suspension System II) anti-vibration design used in the ASUS CD-S520/A5 offers unparalleled performance to match the demands of high-end systems. DDSS II reduces vibration so that the drive's pick-up head can access data with optimum stability and accuracy. The drive offers rotation speeds of up to 10, 400rpm that read data up to 7800 KB/sec transfer rate and supports UltraDMA/33 transfer mode for minimal CPU utilization. The unit features audio play and skip buttons on the front of the unit. The ASUS CD-S520/A5 is able to offer unparalleled performance to match demand for high-end systems.