Dell claims its external graphics card tech beats Thunderbolt 3 options

If you want to get cutting-edge graphics on your older PC, hook up an external graphics card.Hardware to plug external graphics cards into Thunderbolt 3 PC ports is becoming available. Other external graphics options are available, most notably from Dell, which believes its proprietary Alienware Graphics Amplifier is superior to Thunderbolt 3 options.The idea of external graphics cards has existed for years, but only in recent years has it become viable. Graphics require a lot of bandwidth, and