🤖 China Just Did Micron a Favor

Good morning, chip counters.

China announced more memory factories on Monday. Memory stocks fell. Google, Amazon, Microsoft and Meta went up.

Today we're breaking down why this is less about China taking the memory market and more about China handing the incumbents a favor.

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Reuters reported Monday that China's CXMT is in talks to build a second DRAM fab in Beijing.

DRAM is the ordinary memory in your laptop and phone. Not the exotic AI stuff.

CXMT already runs a Beijing plant making about 100,000 wafers a month.

New fabs going up in Shanghai and Hefei will more than double its total capacity to over 600,000 wafers a month.

The proposed Beijing fab isn't even in that number.

Memory names sold off.

The logic is simple: more supply, lower prices, thinner margins.

Here's what makes that reaction strange.

Memory is now 35% of what hyperscalers spend on AI infrastructure, up from roughly 8% in 2023.

Projected to hit 48% by 2027.

Apple pays about $145 for the memory package in an iPhone 18 Pro, against roughly $39 for the same slot in the iPhone 17 Pro.

That's 272% more for the same job. Tim Cook called it a "100-year flood" on his final earnings call.

Everybody is drowning in memory costs.

So who gets paid when memory gets cheaper?

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Most people read this as China attacking the memory cartel. That misses the chain.

CXMT builds commodity DRAM.

It does not build HBM, the stacked high-speed memory that sits next to an AI chip and is sold out through 2026.

Those two fight over the same scarce thing: wafer space inside a fab.

HBM eats about 3x the wafer area per gigabit, and four times for HBM4.

If Chinese supply crushes commodity DRAM pricing, the rational move for Micron, SK Hynix and Samsung is to walk away from the cheap stuff and point even more capacity at HBM, where gross margins run 70 to 80%.

They're already doing it.

HBM wafer capacity is growing 29% this year against 10% for commodity DRAM.

Micron killed its Crucial consumer brand in February to hand that supply to AI customers.

More wafers pointed at HBM means the actual AI bottleneck loosens.

So what does this mean for your portfolio?

Two groups get paid, and neither is the one that moved on Monday.

The buyers:

Memory is the second-biggest line item in a data center now.

Google, Amazon, Microsoft and Meta are spending north of $600 billion on capex this year.

Every dollar shaved off memory buys more compute on the same budget. Cheaper inputs don't end a buildout. They extend it.

The incumbents:

Micron, SK Hynix and Samsung don't lose this war. They get pushed out of the low-margin half of their own business.

What would change our mind: CXMT announcing a credible HBM program, or HBM4 contract pricing slipping next quarter.

China didn't show up to take the memory market.

It showed up to pay the incumbents to leave the part AI doesn't need.

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