Samsung WriteMaster SH-S182M 18x DVDRW DL IDE Drive w/LightScribe (Black) Samsung 16 x Dual Layer DVDRW and 48x CD-RW drive. General Features: Black bezel LightScribe technology. Internal OEM drive. 8x maximum rewrite speed (DVD+RW) 8x maximum write speed (Double Layer, DVDR) 18x maximum write speed 6x maximum write speeds (DVD-RW) 16x maximum read speed (DVD) 48x maximum write speed (CD-R) 32x max 48x maximum read speed (CD) 2 MB buffer 130 ms average seek time (DVD) 110 ms average seek time (CD) Supported Formats: DVD-RAM DVD+R DVD+R DL DVD+RW DVD-R DVD-R DL DVD-RW DVD-ROM DVD-Video CD-R CD-RW