A chip that stores key settings like the system time and hardware config. Powered by a coin battery.

Low-level software that runs when you first start your computer. Handles booting the OS.

The Power-On Self Test. A series of quick checks the computer runs at startup.

The power supply unit. Converts AC power from your wall outlet to DC power the computer components need.

A versatile high-speed connector for add-in cards like GPUs, SSDs, capture cards, etc.

An even faster SSD interface. If you want the absolute quickest response times, look for an NVMe SSD.

A special processor optimized for graphics. Critical for gaming, 3D work, and video editing.

The “brain” that processes instructions. The faster the CPU, the zippier your computer will feel.

Where active programs and data get temporarily stored for quick access. More RAM means better multitasking.

Your computer’s long-term storage for files, programs, and the operating system itself.