GuidesWikiWhat Is A Modular PSU?

What Is A Modular PSU? [Pros & Cons]

A modular PSU is a PC power supply unit where some or all power cables are detachable, reducing the clutter.

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While building a dream PC, a modular PSU stands out for its flexibility. It allows greater customization and provides the best airflow, reducing cable clutter. Let’s find out what makes modular PSUs a preferred choice for many PC builders.

Key Takeaways

  • A PC power supply where some or all of the power cables are detachable is known as a modular power supply.
  • A modular PSU offers better cable management, aesthetics, and a higher price tag.
  • The non-modular power supply is relatively cheap, but the semi-modular provides a balance of flexibility and efficiency.

What Is A Modular PSU?

Modular Bay (Image By Tech4Gamers)
Modular Bay On The MSI MPG A850G 850W (Image By Tech4Gamers)

A modular PSU is a PC power supply unit where some or all power cables are detachable. Unlike the traditional PSUs with fixed cabling, its designs allow users to connect only the necessary cables[1].

This PSU is the same as any other power supply, with differences only in the cable design[2]. It’s a good choice for those who usually upgrade their systems, saving time and effort[3].

Advantages And Disadvantages Of Modular PSU

โœ… Better Cable ManagementโŒ Higher Price
โœ… Lower TemperatureโŒ Slightly Lower Efficiency & Reliability
โœ… Easy Management
โœ… Higher Airflow

Before purchasing a modular power supply, consider its wattage, 80+ and Cybenetics rating, brand reputation, and cable configuration[3]. Your goal should be to get a PSU that matches the needs of your PC and should be efficient as per the requirement.

Modular Vs Semi-Modular Vs Non-Modular PSUs

PSU TypeDescriptionProsCons
ModularAll cables are detachableFlexible and cleaner aesthetics
Expensive and complex for beginners
Semi-ModularPower and motherboard cable are fixed, others are detachableGood balance of flexibility and costHigher cost than non-modular and lower flexibility than modular
Non-ModularAll cables are permanently attached to PSUReliable and cheaper optionLimited customization and poor space management

Modular PSUs have become increasingly popular among gamers for their flexibility and cable management[4]. Whether you’re building a PC or want a cleaner-looking system, they are worth it.

More Resources By Tech4Gamers:


  1. be quiet! PSU guide – Update July 2023. (n.d.). Be Quiet!
  2. PC Power Supply: How to Choose the Right One for You. (n.d.). Intel. Retrieved May 21, 2024, from
  3. How to Pick a Power Supply | CORSAIR: EXPLORER. (n.d.).
  4. G. (2023, December 20). What is a Power Supply Unit (PSU)? GeeksforGeeks.

Frequently Asked Questions

What is PSU modularity?

It refers to the degree to which the cables connecting a PSU to the rig’s components are detachable.

What is better, modular or semi-modular PSU?

Modular suits those who prioritize pleasing aesthetics and organization, whereas semi-modular is a good blend of cheaper cost and flexibility.

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