It adds an Ultrabay Slim for a secondary hard drive or optical drive, four USB 2.0 ports, DisplayPort, VGA, audio ports, and Gigabit Ethernet, while enabling easy, quick-attach docking.
Lenovo ThinkPad Ultrabase Series 3 For X220
Lenovo ThinkPad UltraBase Series 3 docker with PSU
Lenovo ThinkPad Ultrabase X6 Docking Station Schwarz 42W4635
ASUNCELL 11.4V/48Wh L17C6P71 Laptop Battery for Lenovo ThinkPad X280 Series, Lenovo ThinkPad A285 Series, L17C6P71 L17L6P71 L17M6P71 L17M6P72 L17S6P71 01AV470 01AV471 01AV472 01AV484
Bacron 100W USB C to ThinkPad DC Adapter, ThinkPad DC 20V PD Type C to Rectangle Plug Adapter made for Lenovo ThinkPad Laptop Series
Lenovo ThinkPad 433615W Series 3 Port Replicator with USB 3.0 and Docking Station
