Plextor 24X SATA DVD +/- RW Dual Layer Burner Drive PX-891SAW-R 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. Interface - Serial ATA (SATA), Cache - 512K, Access time - 130 ms (CD-ROM), 160ms (DVD-ROM) 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. Archival Burning Capability - Able to burn virtually all makes of specialty archival media, including the 1000 year M-Disc brand. Enhanced Compatibility for DVD+R media - Ensuring greater compatibility with DVD Players for both DVD+R and DVD+R DL Built using sturdier components - Compared to alternative drives, this model was built using the true Japanese design and parts lists for a stronger and more reliable system. 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