The ability to pick the cables you use has a lot of different uses some of which being less obvious than others.
Non modular psu cables.
Non modular the psu comes with all possible cables attached to it ready to go.
The corsair cx550 is a non modular power supply.
In the image below you can see the difference between a modular and non modular psu.
Dangerous to attach the wrong cable.
Well now you can know in just a few minutes.
Trying to find a place for all the excess cables can be a nightmare.
In simple terms it is a power supply where some or all of its cables and connectors are detachable.
One component that isn t always cable management friendly is the power supply standard power supplies come with a big bundle of cables and not all of them are necessary to use in every system.
The fully modular psu has no cables attached to it giving you the ability to cable manage your build much easier have a cleaner overall look and get the best possible airflow your case can handle.
This is different from a regular power supply where all its cables are permanently fused to the unit.
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The downside is that it s very messy for cable management.
Type 4 24 pin eps12v and pcie only sfx type 4 24 pin same as others but shorter 24 pin for ax only not including ax1200 any ax gold.
Although they might look the same cables in both modular and semi modular psus can be incompatible.
Connection points are also in the back.
With a modular psu you could swap it for one that s just perfect.
I get this question a lot modular power supply or regular power supply.
To help decide which cables will work with your corsair modular power supply we ve assembled the chart below.
All of the cables come pre connected to the psu and cannot be removed.
This has the advantage of ensuring you re not going to need a cable.
My psu is a cheap insignia 550w non modular cables are so ugly i was able to add those 2 and hide the existing ones in the back of my q300l case.