Sony DVD+-R RW IDE RETAIL. CD write speed: 40 x, CD rewrite speed: 24 x. CD read speed: 40 x. DVD drive average random access time: 200 ms, Access time: 160 ms. Drive device, buffer size: 2 MB, Interface: IDE/ATA. Write methods: Disc-at-once, track-at-once, packet writing, session-at-once