European Sovereignty Monitor

Compute and infrastructure

SiPearl announces its Rhea1 Euro-CPU has powered on for the first time

SiPearl announced its Rhea1 high performance computing chip, developed under the EU backed European Processor Initiative, powered on 13 May 2026 and entered lab validation; market availability is still targeted for late 2026.

Verified SiPearl press release, 26 May 2026

What it does not test. This does not establish that Rhea1 will pass validation on schedule or reach general availability by end of 2026.

How this item counts. Towards autonomy: it changes who made the parts. Binding 2 of 3 (agreed or funded), scale 2 of 3 (medium), Verified counts in full: weight +4 of 36 possible. EU-backed Rhea1 CPU powers on, enters lab validation; market release still pending late 2026. European Sovereignty Index

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