Hyperscaler data center capex jumped 57% in 2025 as AI deployments accelerated

A new Dell’Oro report revealed that hyperscalers and AI model developers are expected to sustain strong capex momentum in 2026.
March 24, 2026
2 min read

Key Highlights

  • Data center capital expenditures increased by 57% in 2025, reaching over $420 billion among the top hyperscalers.
  • The four largest US cloud providers collectively spent over $340 billion, with Amazon leading at $125 billion.
  • AI investments are shifting focus from training to inferencing, especially as models become more complex and token-hungry.
  • The data center capex is projected to surpass $1 trillion in 2026, driven by high-end accelerators and infrastructure needs.
  • Dell and Supermicro dominate the AI server market, with white-box vendors capturing a significant share of shipments amid rising server prices.

Inference becomes a driver

Most AI-related investments were focused on supporting hyperscalers’ internal frontier models. These models allow them to vertically integrate AI capabilities, reduce dependence on third-party labs, optimize their massive compute infrastructure, and secure a competitive edge in AI service provision.

Dell’Oro noted that while most AI investments are dedicated to training workloads, inferencing will likely become a larger capex driver in the future, especially as token-hungry reasoning models become more widespread.

“This heightened level of investment raises the potential for overcapacity in AI infrastructure, although hyperscalers are taking proactive measures to mitigate risks and optimize costs,” Fung said.

Dell and Supermicro remain dominant

From a vendor perspective, Dell led all OEMs in AI-optimized server revenue in 2025, followed by Supermicro, driven by strong shipments of NVIDIA Blackwell.

Meanwhile, White-box vendors captured the majority of server shipments, supported by hyperscale AI deployments for Blackwell and custom systems, as well as a surge in demand for general-purpose servers for compute and storage workloads.

Dell’Oro has forecast that average selling prices for general-purpose servers will rise by high double digits in 2026, with escalating DRAM and storage prices as the primary growth driver.

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About the Author

Sean Buckley

Sean is responsible for establishing and executing the editorial strategy of Lightwave across its website, email newsletters, events, and other information products.

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