What is the difference between an ATX and SFX Power Supply (PSU)?

Hardware
2023-10-26T23:03:04+00:00

What Is The Difference Between A PSU Atx And Sfx Power Supply

What is the difference between an ATX and SFX Power Supply (PSU)?

What is the difference between an ATX‌ and an SFX power supply (PSU)? When building or upgrading a computer, it is important to take into account the type of power supply that will be used. Two common options are ‌ATX and SFX power supplies. The main difference between them lies in their size and energy capacity. ATX ⁤power supplies are larger and ⁤offer higher power capacity compared to SFX power supplies. ATX power supplies are the most common and are used in most cases, especially in desktop computers. On the other hand, SFX power supplies are more compact and are generally used in small form factor cases or in HTPC (Home Theater PC) systems. Both options have their advantages and disadvantages, and it is important to choose the right one based on the needs of your system.

1. Step by step -- What is the difference between an ATX and SFX power supply (PSU)?

What is the difference between an ATX ⁢and⁤ SFX ‌power supply (PSU)?

  • Size: One of the Main differences between an ATX and SFX power supply is its size. ATX⁢ power supplies are larger, typically measuring 150mm wide, 140mm deep, and 86mm high. On the other hand, SFX power supplies are smaller and have dimensions of approximately 125 mm wide, 100 mm deep and 63 mm high.
  • power capacity: Another significant difference between ATX and SFX PSUs is their power capacity. ATX power supplies are capable of providing more power, with capacities ranging from 300W to even over 1000W in some cases. In contrast, SFX power supplies generally have a more limited power capacity. , which ranges between 250 W⁣ and 650 W.
  • Cabinet Compatibility: ‍ The⁢ difference in ⁣size between ⁢ATX and SFX power supplies also affects compatibility with different ⁣computer cases. ATX power supplies fit into most standard ATX cases, while SFX power supplies are better suited for smaller or more compact cases, such as Mini-ITX, Micro-ATX, and some ATX cases with adapters. specials.
  • Connectors: As for connectors, ATX power supplies usually have more options and variety. They may include connectors for standard ATX motherboards, as well as connectors for graphics cards, hard drives, and other devices peripherals. On the other hand, SFX power supplies also have connectors for the motherboard and peripheral devices, but in a more limited quantity and arrangement due to their smaller size.
  • Refrigeration: Both types of power supplies typically have built-in fans to ensure proper cooling. However, due to their larger size, ATX power supplies typically have larger fans and can therefore offer better performance. better performance of cooling compared to smaller SFX power supplies.

FAQ

1. What is the difference between an ATX and SFX power supply (PSU)?

1. An ATX power supply is ⁣standard size and used in​ most desktop computers,⁢ while an SFX PSU is smaller and used in Mini-ITX or HTPC computers.

2. What are the dimensions of an ATX power supply?

1. Typical dimensions of an ATX power supply are 150mm (width) x 86mm (height) x 140mm (depth).

3. What are the dimensions of an SFX power supply?

1. Typical dimensions of an SFX power supply are ⁢125mm (W) x 63,5mm (H) x 100mm (D).

4. Can I use an ATX power supply in a case with space for an SFX PSU?

1. Yes, it is possible to use an ATX power supply in a case with space for an SFX PSU, but there may be space issues and installation may be more complicated.

5. Can I use an SFX PSU in a case with room for an ATX PSU?

1. It is not recommended to use an SFX PSU in a case with space for an ATX PSU, as the SFX PSU may not have enough power to power all components Computer.

6. What is the maximum power of an ATX power supply?

1. The maximum power of an ATX power supply ⁢can vary, ⁢but typically ranges from 350W to over 1000W.

7. What is the maximum power⁢ of an SFX power supply⁤?

1. The maximum power of an SFX power supply is usually lower than that of an ATX PSU, generally from 200W to 800W.

8. What are⁤ the advantages of an ATX power supply?

1. Higher power supply capacity for components high perfomance.
2. Greater variety of brand options and models availablein the market.
3. Greater capacity for updating and expansion in the future.

9. What are the advantages of an SFX power supply?

1. Compact size allows use in small cabinets or portable systems.
2. Greater efficiency energetic due to its more modern design.
3. ‌Lower operating noise compared to some ATX PSUs.

10. What is the difference in price between an ATX and SFX power supply?

1. In general, SFX power supplies tend to be more expensive than ATX PSUs due to their smaller size and specialized design.

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