There is absolutely no way to deny that both the Ryzen 9 3950x and the Ryzen 9 3900X are among the most popular and most powerful processors available in the market.
However, you also have to keep in mind that these CPUs are generally paired with higher-end components that have a higher power draw, and naturally, they require a good power supply, as well.
That being said, if you are looking to get your hands on a system based on either of these processors, you will need a good power supply to boot. Below, you can see the best PSU for both Ryzen 9 3950x and 3900x.
Top 5 Best PSU For Ryzen 9 3950x and 3900x
1. Corsair RM850x – Editor’s Choice – View On Amazon
There is no denying that Corsair is known for making some of the finest power supplies available in the market, and given their history, they are continuing to impress. However, what you must keep in mind is that whenever you are in the market for a higher-end power supply, you have to take a lot of things into consideration.
After all, you will not pair your high-end gaming PC with a cheap power supply. The Corsair RM850x is definitely one of the best PSUs available in the market. One of the best things about this power supply is the fact that has a zero RPM fan mode, which means that the fan won’t be spinning until there is a high load on the power supply.
Speaking of high load, another great thing here is that the power supply is capable of delivering high power even on higher temperatures, and you are also getting fully modular power supply cables, which are only going to make your overall experience much better.
The power supply runs really cool, too, and the build quality is top of the line. Additionally, the PSU also ships with the legendary Corsair warranty, making things a lot more convenient for those who are looking to make things easier.
On the flip side, the only issue that I can think of with this power supply is that it comes with cables that have capacitors and they make the cables slightly bulky.
Overall, the Corsair RM850x is definitely one of the finest power supplies available in the market, and if you are looking to build a high-end system, this is definitely the power supply that you should be going for and I can assure you that your experience won’t be ruined.
Pros
- Solid build quality.
- Fully modular.
- Full delivery at higher temperatures.
- Runs really cool.
Cons
- The cables are pretty bulky.
2. Be quiet! Straight Power 10 – Best Silent Power Supply – View On Amazon
Another great power supply that is available in the market is from a company called to be quiet!. They have been making some of the best power supplies in the market, and the best part is that they are delivering some brilliant power supplies. Today, we are looking at the Straight Power 10 by be quiet!. How good is this power supply? We are going to find out just that.
For starters, this power supply delivers exceptional performance regardless of the wattage you are buying. You can get this power supply starting from 400 watts and going all the way to 700 watts.
So, you definitely have a good range to buy it from. However, one thing that I would suggest you is that if you are looking to build a Ryzen based system and that too with a Thread Ripper, then it is best if you just buy the best possible power supply that you can buy in your range.
With that out of the way, the fact that you are getting full ATX, as well as full EPS compatibility, is another great thing that you should look at.
As far as the downsides are concerned, I cannot think of many issues in the first place, but I would suggest that this power supply is somewhat expensive as compared to some of the more comparable options.
Overall, if you are looking for something solid and something that just works really well, then go for the be quiet! Straight Power 10 is an excellent choice thanks to the high-end performance it delivers.
Pros
- Wide selection for different builds.
- Full ATX and EPS compatibility.
- Silent under load.
- Delivers exceptional performance on a wide range of temperatures as well.
Cons
- Somewhat expensive when compared to the competition.
3. EVGA SuperNOVA 850 G2 – View On Amazon
EVGA has a history of creating some of the finest power supplies on the market. Not just power supplies, the company does happen to be an all-rounder and has an exceptional range of products available in the market.
Rest assured, if you are looking for top value for your dollar, you are definitely going to get that from EVGA. That being said, the power supply we are looking at today is the EVGA SuperNOVA 850 G2.
To start with the good things, EVGA is providing you with 10 years of warranty, which is excellent, to say the least. You are also getting a great price to performance ratio.
You are getting full power delivery at 48C and the voltage regulation is pretty tight, too. The power supply even offers amazing ripple suppression, and you are getting a very efficient performance overall.
If you are looking to customize your PSU with a good set of customized and individually sleeved cables, that is also available for you to go. Needless to say, the EVGA SuperNOVA 850 G2 is definitely of great value, and for higher-end systems that are for the power users, this would work wonders.
Moving onto the flipside, the only thing that I think is a concern with this power supply is the fact that you are getting a 5v rail that is not as efficient.
Overall, the EVGA SuperNOVA 850 G2 is definitely one of the best power supplies available in the market. Delivering exceptional performance and a great price to boot, as well. If you are looking for a higher-end option that will not break the bank either.
Pros
- Comes with a 10-year warranty.
- Has an excellent price to performance ratio.
- Delivers full performance at higher temperatures as well.
- Comes with tighter voltage regulation.
- Great at ripple suppression.
- The build quality is top-notch.
- Efficient in every single situation.
Cons
- The 5v rail is not as efficient.
4. Seasonic X-850 – View On Amazon
Seasonic is no stranger to delivering some exceptional power supplies; one of the companies that truly is known for having a long range of PSUs available in their repertoire and you are certainly getting some of the finest products.
Today, we are looking at the Seasonic X-850, one of the higher-end power supplies the company has to offer, and in all honesty, you are going to have a great experience.
Starting with the good things, there is a lot to admire about this power supply. For starters, the build quality is excellent; one of the best ever. The modular design makes it super easy for you to manage the cables, and even use third-party, individually sleeved, custom cables.
The fan that is used by Seasonic is one of the best as it runs quiet and remains stable without any rattle. The power supply is also very, very efficient in terms of overall performance, and the load regulation remains to be one of the most stable ones we have seen so far.
Another great thing is that Seasonic is delivering this power supply in different wattages and goes up to 1000w, which is excellent if you are looking to go all out.
Moving on to the things that we did not like about this power supply, the only issue I have is that the power supply only comes with 4 PCI-e connectors, which might not be enough for some people who are looking to add more than one GPU.
Overall, the Seasonic X-850 is definitely one of the finest power supplies in the market if you are looking for solid performance and great price to performance ratio.
Pros
- Top-notch build quality.
- The modular design is excellent.
- The fan runs quietly.
- The power supply works efficiently.
- Load regulation is stable and tight.
- Can go as high as 1000w.
Cons
- You are only getting 4 PCI-e connectors.
If you are looking for the absolute best in the market, and you are not compromising on the budget either, then the good thing is that EVGA has you covered.
They have some excellent power supplies in the market, and the EVGA SuperNOVA 1600 P2 is just one of the prime examples of that. This is the best power supply that you can get if you are looking to build a no holds barred system, and we are going to explore just why it is so good.
To start with the good things, you are getting a power supply that delivers an exceptional performance with the 12v rail, something that you will definitely appreciate since the performance is going to be excellent in all regards.
You can rest easy knowing that you are getting a power supply that is built like a tank. EVGA has really done a fantastic job in that section, as well. Another great thing is the cabling, the one important detail that so many companies miss out on almost entirely.
The power supply runs quiet and cool, and another great thing is that the ripple suppression is great, too. So, the performance remains unrivaled for the most part.
There are a few small concerns, though. The ATX cable length is on the smaller side, especially if you a larger than average case.
Overall, the great thing about the EVGA SuperNOVA 1600 P2 is that it is one of the most impressive power supplies available in the market. Granted, it is on the more expensive side but if it is performance you are looking for and you are not looking to make any compromises, then this is definitely the power supply that you should be going for because the performance is exceptional at all fronts.
Pros
- The 12V rail performs exceptionally well.
- The cabling is solid.
- Great output.
- The power supply runs quietly.
- Delivers excellent ripple suppression.
- Comes with a solid warranty.
Cons
- The ATX cable is on the shorter side.
Conclusion
There are certainly some great power supplies available in the market but the one thing we all have to understand is that the Ryzen 3950x and Ryzen 3900x are two of the most powerful and power-hungry processors available in the market. If you are looking to opt for these devices, you have to be sure that you have the means to run these.
Needless to say, you are going to get exceptional performance from the power supplies that we have mentioned in this roundup, and your 3950x or 3900x-based systems will be off to the races.
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