• SpaceX’s orbital data centres may repeat Microsoft’s failed subsea project.
  • High costs and operational risks cast doubt on space-based computing economics.

What happened

SpaceX‘s plans to develop orbital data centres are drawing comparisons with Microsoft’s abandoned underwater project, which faced significant technical and financial barriers. The challenges of operating infrastructure in extreme environments—whether subsea or in orbit—remain largely unresolved.

Microsoft’s underwater data centre experiment, known as Project Natick, demonstrated potential efficiency gains but ultimately proved difficult to scale commercially. Similar constraints could affect space-based facilities, including high launch costs, maintenance limitations, and hardware reliability in harsh conditions.

Experts suggest that while orbital data centres could reduce latency for certain applications and enable new deployment models, the fundamental economics remain uncertain. The cost of sending and servicing equipment in space continues to outweigh clear commercial returns.

Why it’s important

The comparison highlights a broader issue in next-generation data infrastructure: innovation does not guarantee economic sustainability. Both underwater and orbital data centres promise efficiency gains, but introduce complex engineering challenges and significantly higher capital expenditure.

For hyperscalers and infrastructure investors, the central question is whether such projects can deliver reliable long-term returns. Space-based computing may suit niche use cases—such as edge processing or secure communications—but scaling it into a mainstream solution remains difficult.

From a financial perspective, these initiatives risk becoming capital-intensive experiments without clear monetisation pathways. Investors are increasingly prioritising predictable returns, particularly in a tighter macroeconomic environment.

The lesson from Microsoft’s experience suggests that even technically successful pilots may fail commercially. While SpaceX’s ambitions could still drive innovation, the industry must reconcile visionary concepts with practical deployment economics.

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