New PC's are strong, so having best gaming experience on platform does not need economic investment that it after did.

Processor

1. New gaming PC must have at least a dual core processor running 2.0 GHz or over, but a quad core processor would be ideal. In 2009, some games are coded to take benefit of quad core processors, but their numbers are gradually increasing.
RAM

2. 4 GB RAM is minimum amount a gaming PC must utilize. New OS and more complete games are more RAM severe than ever.
Hard Drive

3. A minimum of 500 GB of disk space is needed. Preferably 750 GB to 1 TB would be comfortable amount for storing not only game data but patches, demos, game videos and other game-related files.
Peripherals

4. A keyboard and mouse created particularly for gaming can provide edge in viable gaming. Gaming mice have laser sensors and higher sensitivity than typical mice, and gaming keyboards present buttons for scripted actions and back-lit keys.
Graphics Card

5. Main part in a gaming PC is GPU. Use as much as finances will permit on a GPU, as higher performing GPU's straight relate to speed and detail that PC can render in a game.
Cooling

6. Gaming PCs lean to get hot as their high performance parts generate much heat. Appropriately cooling system by upgraded air cooling or water cooling is a must to prevent any heat-related errors.