SiPearl powers on Rhea1 processor, Europe's first high-performance server CPU for exascale supercomputing (sipearl.com)

• Rhea1 processor successfully powered on and functional
• 80 Arm Neoverse V1 cores, 61 billion transistors
• General availability end of 2026 for JUPITER supercomputer

"French company SiPearl successfully powered on its Rhea1 processor on May 13, 2026. The chip features 80 Arm Neoverse V1 cores and 61 billion transistors, making it the most complex server CPU ever designed in Europe. Rhea1 is scheduled for general availability at the end of 2026 to equip the JUPITER exascale supercomputer in Germany. SiPearl highlights backdoor-free and kill-switch-free security, contributing to European digital sovereignty."