Addonics AEDVDCOPMD16U. CD write speed: 40 x, CD rewrite speed: 24 x, DVD+R write speed: 8 x. CD read speed: 40 x, DVD+R read speed: 16 x, DVD-R read speed: 16 x. Interface: USB. Weight: 4.55 kg. Compatible operating systems: Windows 98SE, Me, 2000, XP, Linux kernel 2.4+