LG GE24NU21. CD write speed: 48 x, CD rewrite speed: 32 x, DVD+R write speed: 24 x. CD read speed: 48 x. DVD drive average random access time: 145 ms, CD-ROM drive average random access time: 125 ms. Drive device, buffer size: 2 MB, Optical drive type: DVD±R/RW. Storage capacity DVD: 4.7 GB, Total storage capacity: 8.5 GB