This 2020 Nvidia chip is still going strong. That matters for the AI boom.

Michael Intrator, co-founder and chief executive officer of CoreWeave. Bloomberg/Getty Images CoreWeave signed a contract to rent Nvidia A100 GPUs into 2029, challenging AI depreciation fears. CoreWeave's deal suggests older Nvidia GPUs remain valuable, contrary to rapid obsolescence claims. Wall Street's massive AI investments hinge on the long-term value of hardware such as Nvidia GPUs. AI cloud company CoreWeave just offered fresh evidence in one of the biggest debates hanging over the AI…