GATEWAY Toshiba Dell IBM HP Compaq DVD-R/RW COMBO DRIVE SD-R6112FeaturesKEY FEATURES INCLUDES: 4X/2X DVD-R Read/Write 4X/1X DVD-RW Read/Write 8X DVD-ROM Read 24X/16X CD-R Read/Write 10X CD-RW Read/Write 24X CD-ROM Read 1X DVD-RAM (4.7GB) Read Horizontal or Vertical Mount Reads DVD Contents Scramble Systems (CSS) discsReads digital data stored on CD-ROM, DVD-ROM, and CD audio discsReads and records the digital data on DVD-R/RW and CD-R/RW discsReads digital stored on DVD-ROM discs at maximum 8X faster rotational speed Reads digital data stored on DVD-RAM discs at standard rotational speed (DVD-RAM Book Ver. 2.1)Reads digital data stored on CD-ROM discs at maximum 24X faster rotational speedRecords (write once) digital data on CD-R disc at 4X, 16X faster rotational speedWrites and rewrites digital data on CD-RW disc at 4X faster rotational speedWrites and rewrites digital data on high-speed CD-RW disc at 4X ,10X faster rotational speedRecords (write once) digital data on DVD-R disc at 1X rotational speedWrites and rewrites digital data on DVD-RW disc at 1X rotational speedBuffer underrun error protection technologySFF-8020i of ATA Packet Interface (ATAPI) specification, SFF-8090 Ver.5 (Mt. Fuji 5) of DVD commands60,000 hours mean time before failure (MTBF)Standard Specification Model RPC-II