Supports 8x burning speed for CD-R. Enhanced reduction in CD-R burn speed for greater Audio Quality Recording (for music enthusiast) | Supports 4x burning speed for DVD+/-R. Reduced burn speed for greater DVD Recording Quality | Archival Burning Capability - Able to burn virtually all makes of specialty archival media, including the 1000 year M-Disc brand. | Less Wear and Tear - since there are fewer bad burns, the system is able to complete its jobs in less burns meaning a prolonged life for the drives themselves due to less use | Industrial tray gears & pulleys - provides a more stable disc loading tray for a longer life cycle (1 cycle equals 1 tray extend from and then return into the drive) | No Donut Ring - Prevents uneven concentric ring patterns causing “Donut Rings” on the recording layer | Enhanced Recording Stabilization Control - Ensures all drives in a single duplication environment burn uniformly to avoid disproportionate speed fluctuations, which lead either to failed discs or less compatible completed discs. | Highly accurate and reliable CD & DVD recording - Supports full range of common DVD & CD formats including DVD+/-R, DVD+/-RW, DVD-RAM, CD-RW and CD-R