ASUS SBC-06D2X-U, Black, Tray, Vertical/Horizontal, Desktop/Laptop, Blu-Ray DVD Combo, USB 2.0 ASUS SBC-06D2X-U. Product color: Black, Disc loading type: Tray, Mounting: Vertical/Horizontal. Purpose: Desktop/Laptop, Optical drive type: Blu-Ray DVD Combo, Interface: USB 2.0. DVD+R write speed: 8x, CD-R write speed: 24x, CD-RW write speed: 16x. CD-R read speed: 24x, CD-RW read speed: 24x, CD-ROM read speed: 24x. DVD drive average random access time: 180 ms, CD-ROM drive average random access time: 190 ms, BD-ROM average random access time: 230 ms