The ASUS CD-S520 breaks through the bottlenecks inherent in traditional CD-ROM technology with innovative solutions to sustain accuracy and stability of high-speed data transfer. The DDSS II (Double Dynamic Suspension System II)anti-vibration design used in the ASUS CD-S520 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.