Answer :
Final answer:
The major difference between single-rail and dual-rail PSUs is the number of +12V rails they have. Single-rail PSUs have one rail, while dual-rail PSUs have two rails. Dual-rail PSUs provide more stability and protection against power surges.
Explanation:
The major difference between single-rail and dual-rail PSUs is the number of +12V rails they have. In a single-rail PSU, there is only one +12V rail, while in a dual-rail PSU, there are two +12V rails. The purpose of these rails is to distribute the electrical load of the components in a computer system.
Having multiple +12V rails in a dual-rail PSU can provide more stability and protection against power surges. Each rail is capable of handling a specific amount of electrical load, which helps prevent overloading and ensures smooth power delivery to different components.
Single-rail PSUs, on the other hand, have a higher power rating on a single rail, which makes them suitable for high-performance systems that require a lot of power from the +12V rail.
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