Google started with "standard PCs", though I'm not finding any info if they used ECC memory. https://blog.codinghorror.com/building-a-computer-the-google-way/

Google started with "standard PCs", though I'm not finding any info if they used ECC memory. https://blog.codinghorror.com/building-a-computer-the-google-way/ https://blog.codinghorror.com/building-a-computer-the-google... https://patents.google.com/patent/US6549988 https://patents.google.com/patent/US6549988