Optical drive type: DVDR/RW, interface: USB 2.0, optical disc diameter: 80.120 mm 
CD write speed: 24x, CD rewrite speed: 16x, DVD+R write speed: 8x 
CD read speed: 24x, DVD+R read speed: 8x, DVD-R read speed: 8x, DVD drive average random access time: 160 ms and CD-ROM drive average random access time: 140 ms 
Operating system: Microsoft Windows 8.1, Windows, 10, Windows 11