If you’re looking for a high-performance gaming laptop capable of standing toe-to-toe with the beefiest desktop rigs, then you’ll want to consider a laptop with the multi-GPU setup known as SLI. To help you make that decision, we’ve outlined what SLI is (and what it isn’t), how it works, what makes it good and any trade-offs you need to know about when considering SLI in your gaming laptop.
What is SLI?
SLI, which stands for Scalable Link Interface, is Nvidia’s proprietary solution for running multiple GPUs in one system. SLI laptops can only support two cards — and those are the setups we look at below — but SLI can run as many as four GPUs in a desktop.
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https://www.laptopmag.com/articles/sli-laptops-faq-gpu
