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    Should Flex’s (FLEX) Cerebras CS-3 Ramp Redefine Its AI Manufacturing Investment Story?

    Simply Wall St·07/21/2026 22:28:46
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    • Flex Ltd. previously announced an expansion of its manufacturing partnership with Cerebras to scale production of the CS-3 AI accelerator at its Milpitas, California facilities, adding new lines, floor space, advanced testing and more skilled staff to increase output very substantially through 2026.
    • This move positions Flex deeper in the AI hardware supply chain, tackling complex wafer-scale, liquid-cooled system production that few manufacturers can handle.
    • Next, we’ll examine how scaling CS-3 production in Milpitas may influence Flex’s investment narrative around AI-driven manufacturing capabilities.

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    Flex Investment Narrative Recap

    To own Flex, you need to believe its shift toward higher value AI and data center manufacturing can offset thin margins and customer concentration. The Cerebras expansion fits that thesis by deepening Flex’s role in complex AI systems, but it also concentrates exposure to a small set of large customers and keeps capital intensity high, which I see as the key near term catalyst and one of the biggest operational risks.

    Among recent announcements, the planned spin off of Flex’s Power and Cloud portfolio stands out next to the Cerebras news. Both moves tie directly to Flex’s AI and data center focus, but the spin off could reshape how investors think about the company’s exposure to grid to chip solutions, just as Milpitas ramps into more specialized AI hardware production.

    Yet behind the AI growth story, investors should be aware that customer concentration and thin margins could quickly matter if...

    Read the full narrative on Flex (it's free!)

    Flex’s narrative projects $49.7 billion revenue and $3.3 billion earnings by 2029. This requires 21.2% yearly revenue growth and about a $2.4 billion earnings increase from $880.0 million today.

    Uncover how Flex's forecasts yield a $160.40 fair value, a 26% upside to its current price.

    Exploring Other Perspectives

    FLEX 1-Year Stock Price Chart
    FLEX 1-Year Stock Price Chart

    Compared with the consensus view that leans on AI demand, the most pessimistic analysts were already assuming Flex must earn about US$3.4 billion on roughly US$50.7 billion of revenue by 2029, yet still trade at a much lower PE, reminding you that opinions can differ sharply and that news like the Cerebras expansion could shift both the bullish and bearish narratives.

    Explore 5 other fair value estimates on Flex - why the stock might be worth 23% less than the current price!

    Reach Your Own Conclusion

    Disagree with existing narratives? Extraordinary investment returns rarely come from following the herd, so go with your instincts.

    • A great starting point for your Flex research is our analysis highlighting 4 key rewards and 2 important warning signs that could impact your investment decision.
    • Our free Flex research report provides a comprehensive fundamental analysis summarized in a single visual - the Snowflake - making it easy to evaluate Flex's overall financial health at a glance.

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    This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.