Nvidia’s quiet networking unit just outran cisco’s empire in one quarter
While gamers scream about DLSS 5, Jensen Huang is too busy counting eleven-billion-dollar dimes to care. That’s how much Nvidia’s networking division pulled in last quarter—more than Cisco’s entire networking business for the same stretch and almost matching Wall Street’s full-year forecast for the house that built Silicon Valley.
The 265 % year-over-year surge is not a footnote; it is the engine. Every time OpenAI, Meta or Google spin up another 10 000-GPU pod to chase frontier models, they are also buying a spiderweb of Mellanox-derived switches, NICs and cables that Nvidia quietly perfected after its 2020 pocket-purchase of the Israeli interconnect guru for a now-laughable $7 billion.
Data centers became the new motherboards
Kevin Deierling, senior VP for networking, shrugs at the old mental image of a printer cable. “Jensen said from day one the data center is the new unit of compute,” he told TechCrunch between conference keynotes. Translation: a modern AI cluster is a single, continent-spanning motherboard, and Nvidia owns the copper and photons that let it beat in sync.
Big Tech accounts for well over half of Nvidia’s data-center receipts. They aren’t shopping for GPUs alone; they are buying entire heartbeat architectures. The more GPUs they wire, the fatter the networking invoice. The tail now wags the dog.
Investor strategist Kevin Cook spelled it out for hedge-fund clients: Cisco built the pipes for the internet age; Nvidia builds the capillaries for the intelligence age. One age ended, another began, and nobody noticed the hand-off because it happened inside the same rack.
China-sized hole in the victory lap
Nvidia’s own guidance slips a sober footnote beneath the confetti: zero data-center revenue upside expected from China next quarter. Export controls bite, and the company is modelling the pain into its cautious 2 % profit-growth outlook. The message: even an 11-billion-quarter can feel mortal when geopolitics unplug a fifth of the planet.
Still, the scoreboard is ruthless. Compute revenue—Nvidia’s traditional GPU cash cow—grew “only” 58 % to $51.3 billion. Networking, the afterthought, just 4X’d in twelve months and is accelerating. The soldering-iron scent in Santa Clara has never smelled more like money.
Cisco’s engineers aren’t sleeping well. Neither is anyone who still thinks of Nvidia as a graphics card company.