Eh? The "cosmic ray" (or similar upset) is roughly equally likely to affect any bit in the 32GB, so the chance of it appearing in the 1GB that you're using righ

Eh? The "cosmic ray" (or similar upset) is roughly equally likely to affect any bit in the 32GB, so the chance of it appearing in the 1GB that you're using right now is 32 times smaller than the chance of it happening anywhere in your RAM.