COMPUTER HARDWARE COMPONENTS FUNCTIONS
WHAT IS A MOTHERBOARD
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Question
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What is the major difference between single-rail and dual-rail PSUs?
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The internal circuits of a dual-rail PSU are separated based on different power output.
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Single-rail PSUs only require one mounting bracket and dual-rail PSUs require two brackets.
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Dual-rail PSUs provide 24v of power to the computer and single-rail PSUs provide 12v.
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Dual-rail PSUs have more cords than single-rail units.
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Explanation:
Detailed explanation-1: -Power supplies that have only one OCP circuit are called “single-rail” while the power supplies that have more than one OCP circuits are referred to “multiple-rail”.
Detailed explanation-2: -When a PSU is described as “single rail, ” all of the PSU’s power is available from a single source. When a PSU is described as “multiple-rail, ” the PSU divides the total available amperage across two or more “rails."
Detailed explanation-3: -A Dual power supply is a regular direct current power supply. It can provide a positive as well as negative voltage. It ensures stable power supply to the device as well as it helps to prevent system damage.
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