Nvidia Is Looking to Own Another Layer of the AI Ecosystem

Rich Duprey

Sat, August 15, 2026 at 5:36 PM GMT+3 5 min read

Quick Read

Nvidia's Spectrum-X Photonics platform is the first CPO Ethernet switch in mass production, delivering 5x lower network power and 64x better signal integrity.
Nvidia's networking revenue surged 199% to $15 billion as CoreWeave, Lambda, and Oracle adopt the new platform, cementing a rapidly widening competitive moat.
TSM and Lumentum supply the CPO buildout; Lumentum's revenue doubled to $1 billion with multi-hundred-million-dollar orders already locked in for 2027.
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Every AI story eventually runs into the same wall: power. Data centers can only pull so much electricity from the grid, and chips can only move data so fast before the network becomes the bottleneck instead of the processor.

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Nvidia (NASDAQ:NVDA) posted $81.7 billion in revenue for its fiscal first quarter, up 85% year-over-year, with data center revenue alone hitting $75.2 billion. That kind of growth doesn't come from selling faster chips alone -- it comes from controlling the whole system those chips live in. Now, Nvidia just took its boldest step yet toward owning the wiring, not just the brains, of the AI factory.

The Networking Bottleneck Nvidia Just Solved

Nvidia just announced its Spectrum-X Ethernet Photonics platform entered full mass production, becoming the first co-packaged optics (CPO) Ethernet switch built for 200G-per-lane volume shipping.

Traditional AI data centers link GPUs using pluggable optical transceivers -- separate components that convert electrical signals to light and back again. At the scale of a million-GPU cluster, that's a liability: more lasers to fail, more power draw, more heat.

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Nvidia's fix was to solder the optics directly onto the switch chip. The results are 4 times fewer lasers, 5x lower network power consumption, 10x better resiliency at scale, and a 64x improvement in signal integrity. Optical loss dropped from roughly 22 decibels to about 4. Translation for shareholders: fewer parts breaking down, lower electricity bills for customers, and a network that keeps pace as clusters scale into the millions of GPUs.

CoreWeave (NASDAQ:CRWV), Lambda, and Oracle (NYSE:ORCL) are the first customers, with production having ramped from May through July before reaching full volume. That's not a science project -- that's revenue.

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Nvidia is no longer just building the brains of AI—it's seizing control of the entire circulatory system to crush the power bottlenecks stopping its rivals cold. © 24/7 Wall St.

The Supply Chain Nvidia Is Building Around

Nvidia doesn't manufacture silicon photonics alone, and that's where the thesis broadens beyond one ticker. Taiwan Semiconductor Manufacturing (NYSE:TSM) handles the advanced silicon photonics fabrication, with packaging capex rising toward 20% of TSM's planned $52 billion to $56 billion 2026 budget. Advanced packaging made up roughly 8% of TSM's revenue in 2025, and is expected to top 10% in 2026. TSM trades at a trailing P/E near 30, against a 10-year median closer to 20, so investors are already paying up for this growth.

Lumentum Holdings (NASDAQ:LITE) supplies lasers and optics into the CPO buildout and has secured multi-hundred-million-dollar CPO orders for delivery in the first half of calendar 2027. Its fiscal Q4 revenue hit $1.01 billion, more than doubling year-over-year, with adjusted EPS of $3.23 -- also more than double the prior year. Next-quarter guidance of $1.225 billion to $1.275 billion in revenue topped Wall Street's estimates.

Company

Trailing P/E

Recent Revenue Growth (YoY)

Nvidia

85% (Q1 FY2027)

TSM

100% (H1 FY2026)

Lumentum Holdings

n/a

83%+ (FY2026)

Why This Deepens Nvidia's Moat

Owning the switch-to-optics integration doesn't just make Nvidia's network faster -- it makes the ecosystem stickier. A hyperscaler building around Spectrum-X Photonics buys into Nvidia's InfiniBand, NVLink, and Ethernet roadmap all at once. Nvidia's networking revenue nearly tripled to $14.8 billion in fiscal Q2 2026, up 199% year over year -- this is becoming its own growth engine, not a side project. Granted, Nvidia's trailing P/E of roughly 34 sits well below its five-year average near 69, so the market isn't pricing this as a moonshot.

That said, competition isn't standing still. Advanced Micro Devices (NASDAQ:AMD) is projecting 64% EPS growth for 2026 with a PEG ratio near 0.4 to 0.5, a cheaper entry for the same AI infrastructure trend. And CPO manufacturing yields remain the swing factor: Yole Group pegs the entire data-center CPO market at roughly $46 million in 2024, growing to $8.1 billion by 2030 -- a 137% compound annual growth rate on a market that's still tiny today.

Key Takeaway

Nvidia isn't just selling chips anymore -- it's selling the highway those chips talk over, and it's pulling Taiwan Semiconductor Manufacturing and Lumentum along for the ride.

For investors already holding Nvidia, this reinforces the bull case: a widening moat backed by real revenue. For those wanting exposure without Nvidia's premium, TSM and Lumentum offer picks-and-shovels entry points -- though the latter's 708% gain over the last year already prices in much of that 2027 CPO ramp.

In any case, the network is no longer an afterthought in the AI story. Nvidia just planted its flag first.

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