Hp - Disk Drive - Dvd-Rw - Usb - External - Smart Buy - For Chromebook, Probook 640 G1, 645 G1, 650 G1, 655 G1, Zbook "Product Type: Storage/Optical Drives (Blu-Ray, Cd & Dvd)" Storage Devices Removable Disk Drive / DVD (ROM RW CD Combo)