The phrase refers to 64 gigabytes of random access memory, double or quadruple what most gaming PCs carried for years, which is why it became shorthand online for an unnecessarily powerful build. Short clips quoting high end specs spread through gaming forums, PC building videos and meme edits, where the humour comes from treating a hardware number as a personality trait. It remains popular because new games and mods keep raising memory demands, making the boast feel current while still sounding excessive to most viewers and casual players.