How is a power supply commonly attached to a tower case?
screws
retention bar
restraining strap

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How is a power supply commonly attached to a tower case? screws retention bar restraining strap

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Power supplies in tower PC cases are most commonly attached using **screws**. Here's a brief overview of the common methods:

1. **Screws**:
   - **Standard Method**: The majority of tower cases have designated mounting points with screw holes where the power supply (PSU) is secured directly using screws. Typically, these screws are provided with the case or the PSU itself.
   - **Advantages**: Provides a stable and secure attachment, minimizing movement and vibrations which can reduce noise and ensure optimal performance.

2. **Retention Bars**:
   - **Alternative Method**: Some modern cases use a retention bar system where a metal or plastic bar holds the PSU in place. The PSU slides into the bar and is held securely without the need for screws.
   - **Advantages**: Easier installation and removal, tool-less mounting which is convenient for frequent upgrades or maintenance.

3. **Restraining Straps**:
   - **Less Common**: Rarely used in standard consumer tower cases, restraining straps might be found in specialized or compact cases where space is limited. These straps secure the PSU by wrapping around it and attaching to the case.
   - **Advantages**: Useful in tight spaces where screws or bars might not be feasible, but generally offer less rigidity compared to screws or retention bars.

**Summary**: While retention bars and restraining straps are available in some case designs, **screws remain the most common and widely used method** for attaching power supplies to tower cases due to their reliability and secure fastening.
Power supplies in tower cases are most commonly attached using screws.

How is a power supply commonly attached to a tower case?
screws
retention bar
restraining strap

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