guru3d.com › story › 422d25a541d3ebc4cc4a513c44e496172ceec25a AMD Instinct MI400 GPUs Target Frontier AI and FP64 HPC … A complete technical description of the security implementation has not yet been released. Both MI400 products use the AMD ROCm software environment. … Jul 23, 2026 · Hilbert Hagedoorn