NEC ND-6650 Slim 8X DVD +/-RW Internal DVD/Dual Layer RW Drive Interface:IDE / ATAPI; Access time:DVD 150 ms;CD 130 ms;Cashe Memory:2MB ;Anti "buffer under run error" system; Transfer Rate read :CD: 24x max; DVD: 8x max Transfer Rate write :DVD +R: 8x max.DVD-R: 8x max.DVD +RW: 8x max.DVD-RW: 6x max.DVD +R9: 4x max.DVD-R DL: 4x max.CD-R: 24x max.CD-RW: 16x max. Mechanism :motorized tray load mechanism for horizontal and vertical use;Burst transfer rate:PIO mode 4/Ultra DMA 33 (max. 33 MByte/s transfer rate) Media Supported :DVD-ROM,DVD-R,DVD+R, DVD+RW,CD-ROM, CD-R, CD-RW;Modes supported :DVD-Video,CD-ROM XA,CD-Audio,CD Extra, CD Text,CD-I Ready,CD-Bridge,Photo-CD,Video CD,Hybrid CD;Writing methods:DAO, SAO, TAO with zero gap, variable or fixed packet, multisession Weight: 0,19 kg, Dimensions :128mm x 12,7mm x 129mm