Motherboard: Definition, Function, Sizes, Components
Learn what a motherboard is, what it does, how form factors differ, and which core parts like sockets, chipsets, VRMs, slots, ports, and headers matter most.
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Level Up Your Setup.
Straightforward advice for choosing hardware, increasing performance and getting more from your PC.
How to Choose a Motherboard: A Complete Buying Guide
Learn how to choose a motherboard by comparing socket compatibility, chipset features, RAM support, PCIe slots, storage options, rear I/O, and power delivery.
What Is a CPU Socket?
Understand what a CPU socket is, how it connects a processor to the motherboard, the difference between LGA and PGA, and why socket compatibility matters.
What Are the Different Ports on a Motherboard?
Learn what motherboard ports do, how rear I/O and internal connectors differ, and which USB, display, storage, network, and power ports matter most.
What Are PCIe Slots on a Motherboard?
Learn what PCIe slots are, how PCIe lane counts and generations affect bandwidth, and how to choose the right slot for your graphics card or expansion card.
What Are Expansion Slots on a Motherboard?
Learn what motherboard expansion slots are, how PCIe slot sizes and generations work, and how to match the right slot to the right expansion card.
Top Motherboard Brands and Manufacturers
Compare the top motherboard brands by reliability, BIOS support, product tiers, pricing, and use case to choose the right manufacturer for your build.
Motherboard Headers Explained
Learn what motherboard headers do, how front-panel, fan, USB, audio, and RGB headers differ, and how to identify the right connector on your board.
Motherboard Form Factors Explained
Compare motherboard form factors like ATX, Micro-ATX, Mini-ITX, E-ATX, and BTX to understand case compatibility, expansion room, and upgrade flexibility.