Plextor PX-891SAF 24X SATA DVD/RW Dual Layer Burner Drive Writer - Black (Bulk) Highly accurate and reliable DVD recording at 24X. Supports full range of common DVD & CD formats including DVD+/-R, DVD+/-RW, DVD-RAM, CD-RW and CD-R. Secure Media Speed Stability - Ensures that media duplication speed does not exceed encoded maximum rates to provide better burning control and virtually eliminates bad burns. 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. Stable Recording Control - The drives have an extensive database of media specs and are better able to communicate and convey these details while burning the disc(s) at ultimate speed. Archival Burning Capability - Able to burn virtually all makes of specialty archival media, including the 1000 year M-Disc brand. Stable burning throughout - Provides consistent and reliable burning of any file type for the duration of the duplication progress to ensure the recorded media has far greater reliability of playback or that the discs will successfully copy to begin with. 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)