When you see ".rar" attached to gaming hardware terms, it usually signifies a . These often include: Registry Tweaks: Settings to reduce input lag.
The name "470K" most likely points to the .
These files are common vectors for malware or "crypto-miners."
It is always safer to manually overclock and optimize your PC rather than running a mystery script from a RAR file.
Tools to remove background Windows processes. Custom Drivers: Modified GPU drivers for older hardware.