[DVD+R DL overburn] Expands the writing capacity from 8.5GB up to 8.7GB* (*Based on media compatibility), to allow the user to capture more content on a single DVD+R DL disc. [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. [Enhanced Recording Stabilization Control] Ensures when the drive is installed in a computer or server as well as 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. [Archival Burning Capability] Able to burn virtually all makes of specialty archival media, including the 1000 year M-Disc brand. [No Donut Ring] Prevents uneven concentric ring patterns causing Donut Rings on the recording layer [Industrial tray gears & pulleys] provides a more stable disc loading tray for a longer life cycle (1 cycle equals 1 tray extend from and