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It was very fun to hear Ron tell the stories of early Jane Street. Their first cluster was a pile of 6 Dell boxes in their office. And it was important to them that it be physically in their office so that if something went haywire, they could just physically unplug the machine. Goes without saying that they can no longer fit their 100s of k of GPUs in their office.
May 15, 2026
Jane Street's Yaron Minsky gave Dwarkesh Patel a tour of their GPU-filled data centers, sharing that the firm started with just 6 Dell boxes on-premise. The anecdote highlights the firm's infrastructure scaling from physical plug-pull failsafes to hundreds of thousands of GPUs across external facilities.