Corsair CV750 vs CX750M, is it worth paying more for a PSU?

Essentially and at first glance, the biggest difference we find between these two PSUs is obviously that the CV750 has all fixed wiring while the CX750M is semi modular, and only the cables for the 20 + 4-pin ATX and 4 + 4-pin EPS connectors are fixed and the rest are modular, giving us the convenience of not being able to connect them if we don’t need them. However, the price difference between the two sources is quite remarkable, so is it worth paying more for the model that is semi-modular?

Corsair CV750 vs CX750M, technical comparison

Corsair CV750 Corsair CX750M
Power 750W 750W
Guy Analog Analog
Efficiency certification 80 Plus Bronze 80 Plus Bronze
+ 12V rail Simple Simple
Cabling Permanent Semi modular
Cables type Thick Thick ATX and EPS, the rest flat
Ventilator 120 mm 140 mm
Zero RPM mode Do not Do not
ATX12V version v.2.31 v.2.4
PCIe connectors 4 2
SATA connectors 8 7
Warranty 3 years 5 years
Pvpr € 79.99 € 104.99

As we have already denoted before, both are 80 Plus Bronze efficiency certified 750-watt power supplies, ensuring a 85% minimum efficiency at 50% load (which is the typical state of use for a PC power supply). Both sources also have a single + 12V rail, and both are analog and not digital sources, so they are paired up to this point. However, their similarities end here, because now things change a lot.

To begin with, the CX750M is a much more modern source and proof of this is that it complies with version 2.4 of the ATX standard while the CV750 stays at version 2.31. Not for that reason it is a worse source, but as we are going to see next, there are many more things that change, starting with what we have also mentioned, which is the type of wiring, well the CV750 has all fixed wiring and the CX750M is semi-modular, with only the ATX and EPS connector cables fixed at the source.

Continuing with the wiring, we find another fundamental difference in the shape of the cables because the Corsair CV750 has all the thick cables, which makes it much more uncomfortable to route through the box, while the CX750M only has thick the two cables that are fixed. to the source, the rest being flat wiring which is much easier when it comes to channeling it through the box.

In addition, despite the fact that both sources have the same power, we can also find a fairly large difference in terms of the connectors, since the CV750 only has two 8-pin PCIe connectors while the CX750M has four, which makes it compatible with Higher-end graphics and even with multi-GPU configurations.

Continuing with the differences, we find that the fan is also different; while the CV750 model has a 120mm fan, the CX750M has a 140mm fan, which means that the latter will have better cooling and will be quieter, even though neither of them have hybrid fan technology (Zero RPM) that allows it to turn off when the source is not being subjected to a lot of load to reduce the noise emitted.

In view of this, however, we find an advantage in favor of the CV750 that has been losing in everything so far, and that is that it is relatively smaller and therefore will be more compatible with boxes that have little space. This font is just 125mm long by 160mm on the CX7650M, making it practically a font SFX-L in terms of size and it will be much easier to install in small boxes.

Apart from everything we have already mentioned, we do not find major differences between one source and another, obviously leaving aside the price because there is a difference of 25 euros between one and the other, which leads us to the next section of this article that you can read below.

Is it worth paying more for the semi modular model?

Corsair CV Series

As we have seen in the technical comparison, the Corsair CX750M is a far superior model to the CV750 despite the fact that both have the same power and even the same efficiency certification. Semi-modular cabling is certainly an advantage over fixed cabling (although it is true that the most desirable would have been cabling 100% modular), but the fact that almost all cables are flat is a plus that we can’t overlook either.

In addition to that, the CX750M is a source that supports a more modern ATX standard, has a greater number of connectors and also supports multi-GPU configurations, which the CV750 cannot boast of. As if this were not enough, the CX750M is backed by a 5-year manufacturer’s warranty compared to 3 years for the other model, which will also provide additional peace of mind to the user.

In short, the CX750M is “much more source” and really, with a price difference of about 25 euros, it is worth and much worth opting for this model because it is remarkably superior, and will give the user greater comfort, versatility, compatibility and even peace of mind if we take into account the two additional years of warranty that it carries.

So our verdict is that yes, the price difference is worth paying, but not just for the semi-modular cabling but for that in combination with all the other benefits that this power supply offers. In addition, already put in sources that are around 100 euros, 25 euros is not that they make a huge economic difference and more if you are looking for the quality guarantee that a manufacturer like Corsair gives.

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