HP Mobile USB NLS DVD-RW Drive, Black, Laptop, DVD±RW, USB 2.0, Compaq 610 Notebook PC Compaq 615 Notebook PC EliteBook 8530p Notebook PC HP 2133 Mini-Note..., 24x HP Mobile USB NLS DVD-RW Drive. Product color: Black. Purpose: Laptop, Optical drive type: DVD±RW, Interface: USB 2.0. CD write speed: 24x, CD rewrite speed: 10x, DVD+RW write speed: 8x. CD read speed: 24x, DVD-ROM read speed: 8x. Width: 5.31" (135 mm), Depth: 5.94" (151 mm), Height: 0.728" (18.5 mm)