Ultra-thin [9.0MM] SATA serial DVD burning optical drive, with ordinary baffle (the panel and shelf above the optical drive should be the ones on your original optical drive)Applicable models: for Lenovo B50-70 B50-80 B50-30 B50-45 B41-30 B51-30 Laptop built-in DVD burnerOptical drive interface: serial port (SATA)Optical drive thickness: 9.0MMLoading Disc Method: Tray EjectOptical drive specifications: high-speed DVD burning supports D9 burningBurning speed: 8X DVD+-R,4X DVD+-RW ,24X CD-R ,12X CD-RW.Reading speed: DVD-ROM 8X,CD-ROM 24X .Color: silverMaterial: ABS+MetalPackage Contents:1 x DVD burner drive1 x bezelOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.