(Image credit: HighPoint / Future) External GPUs have become increasingly common in the past few years for both laptops and handhelds in the consumer market. We have different standards like Thunderbolt and OCuLink to choose from, but the corporate world has something better: CopprLink , made by PCI-SIG itself. A new test conducted by PCWorld shows a CopprLink eGPU setup achieving essentially the same performance as an RTX 5090 GPU connected directly to the motherboard. This eGPU embarrasses the rest - YouTube Watch On The setup in the video above is powered by HighPoint's RocketStor 8631D eGPU enclosure that costs $1,300 on its own. It's a server-grade chassis meant for rack-scale deployments and other AI workloads, not gaming. It comes with a 1,300W power supply and the appropriate 16-pin cables to power current-gen graphics cards. It can accept pretty much any model, given its large size with ample airflow inside.…