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550W power supply (PSU) is a computer component that delivers power from your wall outlet to the internal parts of your PC. Here's a breakdown:
🔌 What it means
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550W = the maximum power output it can supply to your system (550 watts total).
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It distributes power across +12V, +5V, and +3.3V rails to run your CPU, GPU, storage, fans, etc.
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Common form factor: ATX, which fits most mid-tower and full-tower cases.
⚡ What it can handle
A quality 550W PSU is usually enough for:
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Entry to mid-range gaming PCs (e.g., systems with an Intel i5 / Ryzen 5 and a GPU up to RTX 3060 or RX 6600).
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Productivity setups with SSDs/HDDs, moderate RAM, and a few peripherals.
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