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External Graphics Card Buying Guide

An external graphics card allows you to boost the performance of your computer for functions such as gaming. There are a variety of different external graphics cards that are available. On eBay, there are a variety of affordable external graphics cards for laptops or desktops that make your shopping experience easier.

What features should you consider when buying a graphics card?
  • Graphics Processor - There are two major companies manufacturing graphics processors. The external graphics card enclosure can contain either a processor from Nvidia or AMD.
  • Memory Bandwidth - Higher bandwidth means a better external graphics card. Memory bandwidth is a function of memory type, the memory clock, and the actual memory width.
  • Video Memory - While it helps to have a higher amount of memory, the more important issue is how your system uses the memory. This is especially true when it comes to video.
  • Memory Clock Speed - This is one instance in which faster is always better, as this is a measure of how fast the external laptop graphics card can access the memory that is stored.
  • Core Clock - This is the frequency at which the system is running. Higher frequencies mean faster speeds.
What are some types of external graphics cards available?
  • Nvidia GTX 1080 - This is an external card for laptops. There are 3 MB and 6 MB options that are available.
  • MSI GAMING GTX 960 4GB OC - This system has a Nvidia processor and is one of the more affordable external graphics cards on the market that still has all of the features of a higher-end card.
  • Radeon RX-580 - This is an AMD product with 8 GB of memory. Its base and boost clocks are 1450 MHz/1411 MHz respectively.
  • Zotac GeForce GTX 1060 Mini - This external graphics card contains the NVIDIA Pascal. This card is designed to fit in nearly all systems. It has high-speed engine clocks with a base of 1506 MHz.
How are external graphics cards used?

Most of these cards are not plugged directly into the computer. Instead, they are plugged into a dock, which is then plugged into the computer. Once it is plugged in, the computer will send graphics requests to the external card and, in turn, will receive its graphics from the card. Before buying an external graphics card, you should check the size of the card to make sure that it is compatible with your computer or the docking station.