pcb Console Command
Documentation and examples for the pcb command in Skyrim.
pcb
Purge cell buffers to free memory.
Examples
Here is an example of how to use pcb.
Purges cached cell buffers to free memory.
Overview
Clears the memory buffers holding cells you have recently visited, which can free up RAM and sometimes resolve stutter or crashes on long sessions. It does not affect your progress and is safe to run. It is mostly useful for keeping a heavily modded or marathon playthrough stable.
Frequently asked questions
How do you use the pcb command in Skyrim?
Open the console with the tilde (~) key while in-game, type pcb, then press Enter. For example: pcb. The console is only available in the PC version of Skyrim.
What does the pcb command do?
Purge cell buffers to free memory.
Does the pcb command require any DLC?
No. pcb is part of the base game and works without any DLC.
Does using pcb disable Steam achievements?
Opening the console and entering any command, including pcb, disables Steam achievements for the rest of that play session on PC. Reload an earlier save or use an achievement-enabler mod if you still want achievements.