PC components explained: learn what each part does, their functions, and how CPU, GPU, storage, and cooling impact performance and longevity.

Businesses should expect to upgrade computer equipment on a regular basis; as companies expand, so do their processing and data needs, and hardware continues to evolve at a breakneck pace.

The main processor (CPU, “Central Processing Unit”), the main memory (RAM, “Random-Access Memory”), and the dedicated graphics card with its graphics processor (GPU, “Graphics Processing Unit”) are ...

Based on our expert analysis and tests, here are the best PC components and accessories in 2025, from GPUs and CPUs to SSDs and monitors.

Switching to a new gaming display leaves you with your old monitor, and you need to decide whether to retain or sell it for ...