Lenovo External ThinkPad UltraSlim USB DVD Burner (4xa0e97775) Description ThinkPad UltraSlim USB DVD Burner -- is a small form factor external portable DVD and CD recordable drive that can be attached to Notebooks with USB2.0 port or USB3.0 port. With 9.5mm UltraSlim engine, 20% slimmer than previous DVD Burner, with premium outlook, ThinkPad UltraSlim USB DVD Burner brings you the best user experience. Conforms with industry standard specifications for the following types of media: CD-R, CD-ROM, CD-RW, DVD-R, DVD-R(dual-layer recording), DVD-RAM, DVD-RW, DVD+R, DVD+R(dual-layer recording), and DVD+RW0.75 MB memory buffer underrun protection for reliable CD and DVD media recording. Features: Original Manufacturers Factory Sealed Retail Packaging. USA Product for the USA market - full Security Sealed Manufactures Retail Box. Lenovo External USB DVD Burner (4xa0e97775) Physical specifications height 13.2 mm , width 136 mm , length 154 mm, weight 235g / Microsoft Windows 7, Microsoft Windows 8, Microsoft Windows 10 with a updated driver down load. Item Comes with a Y USB Cable. Cable must be plugged into 2 USB Ports for Drive to function The ThinkPad UltraSlim External USB DVD Burner is a small form factor external portable DVD and CD recordable drive that can be attached to Notebooks with USB2.0 ports or USB3.0 ports. With a 9.5mm UltraSlim engine, 20% slimmer than previous DVD Burner(0A33988). Average access time DVD-ROM 160 ms ,CD-ROM 140 ms, Sustained Transfer rate DVD-ROM 11.08 Mbytes/s (8x) max, CD-ROM 3,600 kB/s (24x) max, Legacy data Transfer mode UBS High Speed( 480Mbps) UBS Full Speed( 12Mbps). Product Details: Operating System: "Microsoft Windows 7,Windows 8,Windows 8.1," Special Feature: Portable / external, USB 3.0 / USB 2.0 Hardware Interface: Solid State Drive Brand: Lenovo Optical Storage Write Speed: 2x Hard Drive: ‎external usb optical drive portable Number of USB 2.0 Ports: ‎1 Number of USB 3.0 Ports: ‎1 Brand: ‎Lenovo Series: ‎4XA0E97775 Item model number: ‎4XA0E97775 Hardware Platform: ‎PC Operating System: ‎"Microsoft Windows 7,Windows 8,Windows 8.1," Item Weight: ‎12.8 ounces Product Dimensions: ‎7.8 x 7.1 x 1.9 inches Item Dimensions LxWxH: ‎7.8 x 7.1 x 1.9 inches Color: ‎Black Number of Processors: ‎1 Computer Memory Type: ‎DDR3 SDRAM Hard Drive Interface: ‎USB 2.0/3.0 Optical Drive Type: ‎DVD+R DL Power Source: ‎USB 2.0 / 3.0 Voltage: ‎240 Volts Manufacturer: ‎Lenovo Language: ‎English Is Discontinued By Manufacturer: ‎No Date First Available: ‎June 1, 2012