> This would only be true if all those Backblaze customers were only running one process on their machines. With PAE, A 32-bit system can support more than 2 GB

> This would only be true if all those Backblaze customers were only running one process on their machines. With PAE, A 32-bit system can support more than 2 GB, just not a 32-bit process. At least under the consumer versions of Windows PAE is only supported for up to 4 GB of RAM - partly because of company policy and partly because some drivers turned out to be unstable when physical addresses above 4 GB are used (source: https://en.wikipedia.org/w/index.php?title=Physical_Address_Extension&oldid=781807734#Microsoft_Windows https://en.wikipedia.org/w/index.php?title=Physical_Address_...).