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Spanish museum builds Cray-1 replica using 30 old Mac Minis

10/10/2026

The Museo de Historia de la Computación in Spain has unveiled a 1:1 scale visual replica of the 1976 Cray-1 supercomputer, powered by an array of 30 Mac Minis.

The project, developed over 18 months, serves as a tribute to the 50th anniversary of both the Cray-1 and Apple's founding.

Rather than utilizing modern high-performance hardware, the creative team assembled the cluster from 2012-era consumer machines.

In recent tests, the developers orchestrated 64 active processing cores within the array to achieve a combined performance of 1.3 teraflops.

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