The "brains" of the computer handle logic, physics, and visual rendering. All the Components You Need to Build A PC - Best Buy Blog

Building or upgrading a PC in 2026 centers on a core set of specialized components that balance raw power with high-speed data transfer. While high-end builds now prioritize AI-driven features and PCIe 5.0 bandwidth, the fundamental hardware categories remain the same. 🧠 Core Processing Units

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