As Thunderbolt ports become more common in laptops, a Thunderbolt dock becomes a necessary accessory, providing I/O access for legacy mice, keyboards, external drives, and more. It’s essentially the centerpiece of a productive office, whether at work or home. Thunderbolt docks have become more important as laptop makers slim down, cut costs, and eliminate multiple ports in favor of a do-it-all Thunderbolt port instead. That may seem like they’re pushing those costs on to you (which they are) but you also can pick and choose a dock with exactly which ports you need. Not only are there budget do…