Samsung SH-S222L. Disc loading type: Tray, Mounting: Vertical/Horizontal. Interface: EIDE/ATA, Drive device, buffer size: 2 MB. CD write speed: 48x, CD rewrite speed: 4x, DVD+R write speed: 22x. CD read speed: 40x, DVD+R read speed: 16x, DVD-R read speed: 16x. Dimensions (WxDxH): 148.2 x 170 x 42 mm