PCIe and USB cards like this are available, generating TRNs using quantum optics: https://www.idquantique.com/random-number-generation/products/quantis-random-

PCIe and USB cards like this are available, generating TRNs using quantum optics: https://www.idquantique.com/random-number-generation/products/quantis-random-number-generator/ https://www.idquantique.com/random-number-generation/product...