I just found this:
https://gadgetmates.com/are-modular-power-supply-cables-universal-interchangeable#:~:text=Stick With Your Brand/Model,looks like it would fit).
Are Modular Power Supply Cables Universal & Interchangeable?
By Eric Chan Posted on October 31, 2023 Updated on November 5, 2023
The answer is a resounding: NO! Modular cabling is NOT universal and the cables themselves are NOT interchangeable. In fact, the cables are very specific to the make/model/manufacturer of the particular modular power supply. You should also NEVER mix modular cabling – especially cables from different manufacturers. There can be tremendous consequences to this – anywhere from burning out components on your PC to creating a fire hazard.
Let’s look more into this.
3 Types of PSUs
There are three main types of PSUs: modular, non-modular, and semi-modular.
Modular PSUs allow you to detach and replace all of their cables. This flexibility means you can customize your setup, only using the cables you need, which can help reduce clutter inside your PC case.
Non-modular PSUs have all their cables permanently attached. You can’t remove or replace them, which can sometimes lead to excess cables inside your case. Semi-modular PSUs are a mix of the two. They have some permanently attached cables, usually the essential ones like the motherboard power, with the rest being detachable. Understanding Modular PSUs
Modular power supplies and their cables have revolutionized the world of PC building. 
These cables, unlike their non-modular counterparts, allow users to connect only what they need. This leads to cleaner and more efficient builds. With how popular cable management has gotten these days, this is a big deal. Additionally, with modular PSUs you choose your connections. This gives you optionality as far as the number of devices of a certain type you want to have power for. You’re no longer stuck with whatever pre-determined setup the manufacturer gives you.
Power supplies have undergone significant transformations from bulky units with non-detachable cables to the sleek, modular designs we see today. The journey has been marked by innovation and user-centric improvements. Modular PSUs in particular have gained popularity as people showcase the look inside their PC case. Getting better airflow is also a huge plus.
What are Modular Power Supply Cables?
Modular cables are the detachable cables that you plug into ports on your modular power supply to then let you plug in all of your devices, motherboard connections, GPU, etc.. With a fully modular power supply, you won’t see any cables coming off of it – that’s where the modular cabling comes in. This means that you can customize your power supply unit (PSU) based on the specific needs of your system. This flexibility has made them a favorite among tech enthusiasts and professionals alike.
Because a modular power supply allows you to detach and attach the cables as needed, this gives users flexibility over what they want to do. This differs from non-modular (or fixed) power supply designs that had all the cables fixed and connected coming from the factory with no customizability.
The main downside to having all of these cables loose and accessible is the fact that people lose them, misplace them, break them, or misplace them.
Are Modular Power Supply Cables Universal?
The burning question on everyone’s mind: are these cables truly universal? No, they are not. There is no universal standard for modular PSU output cables. While manufacturers will deliver the proper output voltages & current depending on your cable type to the end-point, how they get there is completely up to them. So, for example, if you have a modular cable that terminates to a SATA connector – you can comfortably plug that connector into a SATA device and expect the levels to be accurate. However, how the power supply goes from point A to point B in getting the proper power to that SATA connector will vary greatly between manufacturers and designs.
The Concept of Universality in Electronics Universality implies that a product can be used across various devices or setups without compatibility issues. In the realm of electronics, this is a gold standard that manufacturers strive for but is often challenging to achieve.
Factors Determining the Universality of Cables Several factors come into play, from the type of connectors used to the voltage and current specifications. While some cables might fit multiple PSUs, they might not necessarily be safe or efficient for use.
Benefits of Universal Modular Cables Imagine a world where one cable fits all! It would mean reduced electronic waste, cost savings, and a more straightforward user experience. Universal cables could be a game-changer for the industry.
Drawbacks of Non-Universal Cables On the flip side, non-universal cables can be a hassle. They lead to clutter, increased expenses (as you need different cables for different devices), and the ever-present risk of damaging your devices by using an incompatible cable.
Are Modular PSU Cables Interchageable?
In short, no. While it might be tempting to reuse cables from an old PSU, especially if they’re already neatly routed in your case, it’s not always safe. There’s no universal standard for modular PSU cables, which means that cables from one brand or model might not be compatible with another.
Different PSUs can have varying pinouts, even if the connectors look identical. Using the wrong cable can lead to short circuits, damaged components, or even fires.
While some connectors, like the 24-pin motherboard connector, SATA, 4-pin Power, etc. might seem universal, the other end that plugs into the PSU might not be. It’s always best to use the cables provided with your PSU.
Interchangeability Concerns
So we know the cables aren’t interchangeable – but why?
Different Pin Configurations: Each PSU brand or even model can have its own unique pin configuration. This means that while a cable might physically fit into a connector, the arrangement of the pins might be different. Using the wrong cable can result in sending the wrong voltage to components, which can damage or destroy them.
Voltage Polarity Concerns: Even if two cables from different PSUs fit perfectly, their voltage polarities might differ. This can be hazardous, as connecting a cable with the wrong voltage polarity can fry your components.
Socket Locks and Connector Sizes: PSU power cables have specific socket locks depending on the connector size. This further complicates the idea of using cables interchangeably.
The Importance of Compatibility in Power Supply Cables
It’s not just about fitting; it’s about fitting right. Using modular cables that aren’t designed for your particular PSU can can cause parts to burn out or even worse – your components may catch on fire. Different manufacturers will use different pinouts and adhere to different layouts for their cabling. There is no standard for modular cabling on PSUs so you can’t use them freely.
Risks of Using Incompatible Cables Using the wrong cable can lead to a myriad of problems, from short circuits and reduced efficiency to potential fire hazards. It’s a risk that’s simply not worth taking.
How to Ensure Cable Compatibility Always check the specifications, consult the manufacturer’s guidelines, and when in doubt, seek expert advice. It’s better to be safe than sorry.
Different Types of Power Supply Cables Not all cables are created equal.
Standardized vs. Proprietary Cables While standardized cables follow universal norms, proprietary ones are unique to specific brands or devices. Knowing the difference can save you a lot of trouble.
The Role of Cable Connectors Connectors play a pivotal role in determining compatibility. From pin arrangements to the shape and size of connectors, these little components hold the key to the universality puzzle.
Practical Insights: Personal Experiences with Modular Cables Real stories from the trenches.
When Universal Cables Saved the Day I recall a time when I was setting up a complex rig for a client. Thanks to universal cables, the setup was a breeze, and the client was over the moon with the clean and efficient result.
The Nightmare of a Mismatched Cable A friend once used a non-compatible cable, thinking it would work. The result? A fried motherboard and a hefty repair bill.
How to Choose the Right Modular Power Supply Cable
Your guide to making informed decisions.
Reading Cable Specifications Always pay attention to the fine print. Voltage, current, and connector type are just a few of the critical specifications to consider.
Trusted Brands in the Market Brands like Corsair, EVGA, and Cooler Master have earned their reputation for a reason. Stick to trusted names to ensure quality and compatibility.
Stick With Your Brand/Model Never EVER mix brands on modular cables. And if you aren’t sure, don’t mix cables across models in those brands as well. If you have an EVGA Supernova PSU, you would never use the cabling on a Corsair RM series (even if the plug looks like it would fit).
The Future of Modular Power Supply Cables
Innovations on the Horizon With advancements in technology, we can expect even more user-friendly and universal cable designs in the future.
The Push for Universal Standards As the demand for universality grows, there’s a strong push for establishing universal standards in the industry.
Manufacturer Guidelines
Some manufacturers provide guidance on cable compatibility. For instance, EVGA has a support page detailing which of their PSUs have interchangeable cables. Corsair offers a compatibility table, and Be quiet! provides a product-specific approach. However, these guidelines are typically limited to products within the same brand. Mixing cables from different brands, even if they seem compatible, is not recommended.
Real-World Consequences
Many users have shared their unfortunate experiences online. One user recounted how they used old modular cables with a new PSU, thinking they were universal. The result was catastrophic, damaging multiple components, including fans, an AIO cooler, and hard drives. This isn’t even close to the worst thing that can happen to you. Because you’re dealing with electricity, the risk of fire with improper setups is very high. You can burn down your entire home with just this one mistake. That’s why we always say – don’t risk it with modular PSUs.
Conclusion
While modular PSUs offer a lot of conveniences, their cables are not universal. Interchanging cables without ensuring compatibility can lead to severe damage to your PC components. Always use the cables provided with your PSU, and if you need replacements, ensure they are compatible with your specific PSU model. When in doubt, consult the manufacturer’s guidelines or seek advice from knowledgeable sources. Can you use cables from another brand? No. Are the cables universal and interchangeable? No. Can I use cables from the same manufacturer that are intended for a different model? Maybe but check with the manufacturer’s website first.
While the dream of entirely universal modular power supply cables is yet to be realized, understanding the nuances of these cables can save users from potential pitfalls. Always prioritize compatibility and safety over convenience (or sometimes laziness).
Again, if you lose a cable or need a replacement, contact the manufacturer or buy a certified replacement. It’s not worth risking your components or safety to save a few minutes of cable management or a few dollars on a certified replacement cable. The risk of something catastrophic occurring is too great.
FAQs
Are all modular power supply cables interchangeable? No, not all cables are interchangeable. Always check compatibility before using a cable.
Can I use cables from one PSU brand with another brand’s PSU? It’s not advisable unless explicitly stated by the manufacturers.
What happens if I use an incompatible cable? Using incompatible cables can damage your devices and pose safety risks.
Are there adapters available for non-universal cables? Yes, adapters are available, but it’s essential to ensure they match the required specifications.
How can I identify a universal modular cable? Universal cables typically have standardized connectors and are labeled as “universal” by the manufacturer.
Why aren’t all cables made universal? Proprietary designs and brand-specific requirements are among the reasons.
Are all 24-pin motherboard connectors the same? – While the connector might be standard, the pinout on the PSU side might differ.
What’s the difference between gold and bronze PSUs? – It refers to their energy efficiency, not cable compatibility.
Can using the wrong cable damage my PC? – Yes, it can lead to short circuits, damaged components, or fires.
Why aren’t PSU cables standardized? – Different brands have different designs and specifications, leading to varying pinouts.
Can I buy replacement cables? – Yes, but ensure they are certified for your PSU model.
Is it safe to use third-party cable extensions? – Extensions are generally safe, but always buy from reputable brands.
Do all PSUs come with the same number of cables? – No, it varies based on the model and its capacity.
Are non-modular PSUs safer? – Not necessarily. The safety depends on the PSU’s quality, not its modularity.
Can I customize my PSU cables? – Yes, but always ensure you’re using the correct pinout and high-quality materials. This is usually something that should only be done by an advanced builder or experienced electrician who can assess the fire hazards / risks with modifying electrical cabling.
Can I use cables from a different PSU brand with my modular PSU? – No, it’s risky and can damage your components. Always use cables designed for your specific PSU model.
Are there any tools to check cable compatibility? – Some users utilize digital multimeters to check voltage polarities and pin configurations. However, for most users, it’s safer to rely on manufacturer guidelines.
I’ve mixed cables before and had no issues. Why? – It’s possible that the cables you mixed had the same pin configuration and voltage polarity. However, this was a risky move, and you were fortunate. It’s not advisable to rely on luck when it comes to PSU cables.
Reading this and I thinking I need a sanity check. It is a frigging cable with a standard pin and connector. Colour codes to help identify what voltage it is for (until they made them black) and thickness or size of cable to take in consideration for things with high power draw like GPU's.
anywhere from burning out components on your PC to creating a fire hazard.... It’s not advisable to rely on luck when it comes to PSU cables. Different PSUs can have varying pinouts, even if the connectors look identical.... Using the wrong cable can lead to short circuits, damaged components, or even fires...
That's because they made them like that, all black or to one colour to make it difficult to identify.
I see high end/high wattage OEM ATX power supplies still using colours so I might consider those and even though they may not be braided at least I have the benefit of identifying what colour cable is for.
I can't tell if this is out of stupidity, requests from consumers (below) or deliberately done which also sounds to me like the case with the way that author was writing about it. I see the majority are all like that with all black cables.
https://forums.tomshardware.com/threads/power-supplies-with-black-cables.2297442/w84u2cy May 27, 2015
Hi, I'm looking for a cheap ($50-90) psu that uses black cables instead of the ugly coloured ones.
Do you know any good options?
Thanks
Those ugly coloured ones are coloured for a reason did it not occur to them.
I also noticed they make them flat all the way instead of putting a braid around them. What if they get caught and pinched as on the door or metal in the case as opposed to a loose lot in a braid.
Why aren’t PSU cables standardized?[– Different brands have different designs and specifications, leading to varying pinouts.
I didn't think the manufacturers would care whether the pin out was standardized or not and this is when they colour coded the cables as any cable that may fit may show a different colour arrangement and if the fitter happened to be paying attention, noticed it and they'd have that benefit to investigate further instead of blindy or no possibility to see where they'd have to think about getting a volt meter out. I am surprised when they cared to colour the cables to one colour and not bother to make their own "proprietary" connector to go with it so it don't fit on others as PlainName pointed out.
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