[ryao]

They also support external DRAM over their 150GB/sec system IO link. They call it MemoryX and talk about it on these blog posts:

https://www.cerebras.ai/blog/cerebras-cs-3-vs-nvidia-b200-20...

https://www.cerebras.ai/blog/announcing-the-cerebras-archite...

It is useless for inference, but it is great for training. It used to be more prominent on their website, but it is harder to find references to it now that they are mimicking Groq’s business model.