Astera Labs and Amphenol: Quiet AI Capex Tax Collectors to Know Before Others Catch On
Astera Labs and Amphenol: Quiet AI Capex Tax Collectors to Know Before Others Catch On
Alex SiroisThu, August 6, 2026 at 4:02 AM UTC
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ALAB doubled revenue year over year while APH grew 55% to $8.76 billion, both capitalizing on AI infrastructure spending as connectivity picks-and-shovels suppliers.
Astera's 244 P/E leaves no room for a hyperscaler pause, while Amphenol's 40 P/E and $1.21 billion free cash flow support a steadier compounding profile.
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Astera Labs (NASDAQ: ALAB) and Amphenol (NYSE: APH) delivered earnings reflecting the same thesis: sell the picks and shovels of AI rack-scale density. Astera reported Q2 revenue of $392.40 million, up 104.45% year over year. Amphenol posted $8.76 billion in sales, up 55%. Same tailwind, different vehicles.
Scorpio Ignites Astera. CommScope Supercharges Amphenol.
Astera's story is Scorpio. CEO Jitendra Mohan said "Scorpio X-Series is in volume production, and we expect our Scorpio family to become our largest product category by revenue in Q3", arriving one quarter earlier than previously flagged. Aries retimers hit a record too, and PCIe 6.0 crossed 50% of company revenue. Non-GAAP EPS came in at $0.80 versus $0.692 expected. That is the eighth straight beat, explaining the 244 P/E.
Amphenol's engine differs. Communications Solutions grew 85% to $5.38 billion, powered by IT datacom and the CommScope CCS deal. Management lifted the 2026 CommScope revenue outlook to $4.6 billion from $4.1 billion, doubling EPS accretion to $0.30. Orders hit a record $10.7 billion, a 1.23:1 book-to-bill. Adjusted EPS of $1.35 beat the $1.1949 consensus.
Driver
Astera Labs
Amphenol
Main Growth Engine
Scorpio fabric switches
IT datacom + CommScope
Gross Margin Profile
73.7%
~40% (component economics)
Customer Base
Hyperscaler-concentrated
~40 countries, diversified
Tight Focus Versus Wide Net
Astera doubles down on AI fabric silicon. Mohan pointed to "content opportunity for Scorpio X series solutions alone to grow well beyond $1,000 per XPU", with optical interconnects and UALink 2.0 pushing that higher into 2027. It is a concentrated bet on scale-up connectivity inside the rack.
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Amphenol widens the aperture. CEO Adam Norwitt framed AI demand as "more of everything: more high-speed copper, more fiber optic solutions, and more power solutions". Defense grew 37%, industrial 56%, mobile devices 17%. The trade-off is $18.8 billion in total debt and China tax accruals totaling $290 million.
The Next Test Is Scorpio Ramp and Book-to-Bill Durability
Astera guided Q3 revenue to $540 million to $560 million, implying roughly 40% sequential growth. Watch whether Scorpio X-Series design wins broaden past the lead hyperscaler before optical revenue arrives in 2027. Amphenol guided Q3 to $9.30 billion to $9.40 billion. Watch whether that 1.23 book-to-bill holds once CommScope laps its first full year in the portfolio.
Why I Split the Difference
For pure AI connectivity content growth exposure, Astera is the more thrilling ticket. The 91.41% year-to-date rally already reflects much of it, and a 244 multiple leaves no room for a single hyperscaler pause. Amphenol is the version for compounding. The 40 P/E carries a premium, and diversified end markets plus $1.21 billion in free cash flow cushion the ride. For a growth-and-quality blend, Amphenol offers the steadier compounding profile while Astera carries higher beta.
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Source: “AOL Money”
