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

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.

Take a tour inside of your desktop PC to learn how all the hardware in a traditional desktop PC connects to create a complete computer system like the one you may be using right now. Here are some ...

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.

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

A dedicated sound card always “sounds” better than an integrated sound chip on the motherboard! A PC with extra RAM is always “faster” than a PC with less RAM! A long HDMI cable is bad for picture ...

You may need to detect and list all your hardware components. Even though you are not used to performing that kind of technical operation, there are some easy-to-use tools that will quickly do it for ...

CPU overhead measures the amount of work a computer's central processing unit can perform and the percentage of that capacity that's used by individual computing tasks. Some of these tasks involve ...

Real-time hypervisors — the central technology for workload consolidation — enable the safe execution of multiple workloads ...

Hardware is the physical part of a computer system, while software is all data-based Computer hardware refers to the physical ...

A computer is nothing without the components or parts inside of it. Many users are taking advantage of what these powerful machines offer, yet have no idea what components make them tick. Bear in mind ...