Prysmian signs $6.3B Molex cable deal for AI data centers

When you're looking for the shape of the AI capex wave, the interesting signal isn't always the chip order. Sometimes it's the glass. Bloomberg reports that Prysmian has signed a 10-year deal worth up to €5.5 billion, roughly $6.3 billion, to supply Koch Inc.'s Molex with the optical cables that get threaded through data-center racks. Molex is putting €550 million on the table upfront, a rare piece of cash certainty in a market where most commitments still arrive as forecasts.

The corollary is a big capacity bet. Prysmian says it will invest €1.25 billion through 2031 to more than double fibre capacity in the U.S., including the glass preform stage, and expects to create more than 1,000 jobs globally, about 600 of them at US manufacturing sites. CEO Massimo Battaini called it a "transformative moment for Prysmian's Digital Solutions," and the company is framing the Molex agreement as an anchor for a broader push into hyperscaler contracts it expects to add over €10 billion in cumulative revenue by 2035, and as much as €1.1 billion in annual revenue from 2031.

Why it matters if you don't work in utility infrastructure: the story of the last two years was compute. The story of the next few years is the physical plant around compute, and the suppliers who can lock in decade-long volume commitments right now are the ones setting the pricing curve for everyone who negotiates later. A single anchor customer at €5.5 billion also concentrates risk. If AI buildout cools before Prysmian's expansion finishes, some of that new US capacity is exposed, and Koch's negotiating leverage at renewal is meaningful.

The honest caveat is that most of the forward economics are Prysmian's own model. The €10 billion by 2035 figure depends on hyperscaler agreements the company describes as coming but hasn't named, and the reporting doesn't disclose per-cable pricing, product mix, or which cloud buyers are in advanced talks. Take the specifics as reported, not settled. What is clearest is directional: the AI money is starting to visibly reach the boring middle of the stack, and the picks-and-shovels vendors with US capacity are the ones getting paid first.