Expand the function of your ThinkPad X200 Series ultraportable or tablet by snapping it into the ThinkPad X200 UltraBase. This simple, quick attach solution adds a wide array of expansion capabilities but is small enough to carry anywhere. A single UltraBase now works with both ThinkPad ultraportable and tablet notebooks.<br><br><b>Features & Benefits:</b><br>-Streamlined design for easy portability - Ideal for use in the office, at home, or on the road <br>-Ultrabay Slim for device expansion - Supports Ultrabay Slim Blu-ray, CD-RW/DVD-ROM Combo and Multi-Burner drives; can also house a second ThinkPad Serial-ATA hard drive (requires HDD installation kit) <br>-Integrated battery charger - Lets you power up a spare battery for the road <br>-Digital and analog video support - VGA monitor port and DisplayPort <br>-Audio capability - Integrated stereo speakers, microphone in, headphone out <br>-Gigabit Ethernet (RJ-45) <br>-Four USB 2.0 ports <br>-System power-on button and easy ejection l