Features: Max 52x CD-R, 32x CD-RW Write & 52x CD-ROM, 16x DVD-ROM Read 2MB Buffer memory with buffer underrun prevention technology Writing speed optimized for each media type for safe CD burning Supports drag and drop CD copying with Mt.Rainier standards Specifications: Write speed [CD-R] : 4x, 8x, 16x CLV, 24x, 32x, 40x PCAV, 40~52x FCAV Write speed [CD-RW] : 4x, 10x, 16x CLV, 24x PCAV, 32x PCAV Read speed [CD] : 52x Max Read speed [DVD] : 16x Max Data Transfer Rate [CD] : Max 7,800KB/s Data Transfer Rate [DVD] : Max 21,600KB/s Access Time [CD] : 100msec Access Time [DVD] : 120msec Buffer Size : 2MB with buffer under run prevention technology Loading Type : Motorized Tray Interface Type : Internal E-IDE / ATAPI / ULTRA DMA 33 Compatible Formats [Write] : CD-R/RW Compatible Formats [Read] : DVD+R/+RW, DVD-R/-RW, DVD-ROM CD-R/RW, CD-ROM Mode 1,2, CD-DA, CD-I FMV, CD-ROM XA Mixed CD, CD Extra, CD Plus, CD Text, Photo-CD, Video CD Dimensions (W x D x H) : 146mm x 184.7mm x 41.3mm Weight : 900g OS : Window 3.1(only read) 95, 98, 98SE, 2K, ME, NT4.0 or later, XP Note :There are three colors for front panel, they are white, black and silver.