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by ajdecon 5103 days ago
The calculator is useful for approximations, but I've been bitten a few times. The only real way to know, as always, is to measure it.

The Dell/HP salesmen are worse, if you try to talk about power, especially if you do HPC. They will often flat-out refuse to believe that you're going to take 100 servers, stuff GPUs and all the RAM you can find in them, and run them at 100% for years on end.