Motherboard USB ports vary significantly in bandwidth, ranging from USB 2.0 at 480 Mbps up to USB4 v2 at 80 Gbps. Using a slow port for a high-speed device like an external SSD, VR headset, or capture card creates a bottleneck. Color coding and port labels help identify port types, but the motherboard manual is the most reliable reference. Front-panel ports are generally worse than rear I/O and often share a single 5 Gbps link. When buying a motherboard, the rear I/O port selection and bandwidth allocation should be a key consideration, not an afterthought.

4m read timeFrom xda-developers.com
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Your motherboard has at least three different kinds of USB portsYou may not care about USB speeds, but your devices doMotherboard I/O is one of the most important factors when buying a new board

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