With a little bit of research and elbow grease (or a Thunderbolt 3 dock), an external graphics card setup lets you upgrade your laptop for a fraction of the cost of a new gaming PC.

You know that improving the graphics on your computer will provide a much better picture—but you're not sure where to start. Here's everything you need to know.

The Graphics Amplifier can support nearly any single video card (up to full-length, dual-width, PCIe x16, needing up to 375 watts of electrical power).

To install a graphics card into your PC, you'll need to open its case, remove the existing card, and slide your new card into the PCI Express slot.

Laptop GPUs have different power limits, which can make a huge difference in performance. Here's everything you need to know about TGP with AMD and Nvidia.