http://www.techradar.com/news/the-best-laptop-docking-stations

Finding the best laptop docking station for your needs can make working on your laptop easier, more convenient and more comfortable, as while laptops are great for portability, they don't quite offer the range of connectivity options desktop PCs provide in the office.

However, with docking stations, you can have the best of both worlds: a portable laptop that has the connectivity of a more bulky desktop PC.