Samsung SH-S222A. Mounting: Vertical/Horizontal. Interface: EIDE/ATA, Drive device, buffer size: 2 MB. CD write speed: 40x, CD rewrite speed: 32x, DVD+R write speed: 22x. CD read speed: 48x, DVD+R read speed: 22x, DVD-R read speed: 22x. DVD drive average random access time: 150 ms, CD-ROM drive average random access time: 30 ms