LITE-ON LTR5224 Internal CDRW CD Recorder Drive Up to 52x Record, Up 24x Re-write, Up to 52x Reading Designed for E-IDE interface, support up to Ultra-DMA mode 2 SMART-BURN technology avoids buffer under run and automatically adjusts writing to meet various CD-R/RW media burning conditions Vibration Absorber System to reduce vibration &amp; noise Transfer Rates - Recording - 7800KB/s (52x) for CD-R, Re-writing - 3600KB/s (24x) for CD-RW, Reading - 2400~7800KB/s (16x~52x) for CD-ROM, CD-R