7 Best CPU Coolers For Ryzen 9 5900X

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AMD is set to release its Ryzen 5000 CPU series on November 5. The launch lineup includes the Ryzen 9 5950X, Ryzen 9 5900X, Ryzen 7 5800X, and the Ryzen 5 5600X. Aside from the Ryzen 5 model, Ryzen 5000 CPUs do not come with a box cooler. This means you’ll need an aftermarket cooler if you want to get a high-end Ryzen 5000 CPU.

The Ryzen 9 5900X is placed just below the flagship, 16-core R9 5950X and it should be the best buy for high-end high refresh rate gaming and for professionals who don’t need top of the line productivity performance of the 5950X. The CPU specs include 105W TDP, 4.8GHz max boost clock, and a base clock of 3.7Ghz.

These specs are pretty much identical to the 3900X and 3900XT and it looks like the 5900X will work fine when combined with coolers that can handle the 3900X. This includes a couple of mid-range air coolers as well as the biggest and most powerful air coolers on the market. We’ve also included a solid selection of AIO systems, based on performance, price, and aesthetics. Let’s check them out.

Best CPU Coolers for Ryzen 9 5900X – Our Picks

Best CPU Coolers for Ryzen 9 5900X – Our Picks
AwardModel 
Best Budget Air Cooler For Ryzen 9 5900XScythe Fuma 2 Scythe Fuma 2
Best High-End Air Cooler For Ryzen 9 5900XNoctua NH-D15 Noctua Nh D15
Best Alternative to Noctua NH-D15Deepcool Assassin III Deep Cool Assassin Iii
Best SFF Air Cooler for 5900XScythe Big Shuriken 3 Scythe Big Shuriken 3
Best Overall AIO Cooler For Ryzen 9 5900XARCTIC Liquid Freezer II Arctic Liquid Freezer Ii 280
Best RGB AIO Cooler For 5900XCorsair H115i RGB Platinum AIO Corsair H115I Rgb Platinum 280
Best Silent AIO Cooler For 5900XFractal Design Celsius+ S36 Prisma Fractal Design Celsius S36

Best Budget Air Cooler For Ryzen 9 5900X

Scythe Fuma 2
Dimensions137 × 131 × 154.5 mm
Number of Fans2
Advertised Acoustical Noise4,0 - 24,9 dB(A)
Max Fan Speed1200 RPM

The Scythe Fuma 2 is the best mid-range air CPU cooler on the market. Despite its price, Fuma 2 can tackle some of the beefiest (at least when it comes to the number of cores) CPUs on the market, and cooling the 5900X won’t be an issue for this cooler. Aside from impressive thermal performance the Fuma 2 is also one of the quietest air coolers on the market, even at high RPMs, thanks to the excellent Scythe case fans mounted on the cooler.

If you plan on using the R9 5900X on stock clocks for gaming or productivity the Fuma 2 should be an excellent choice. It can even allow a moderate OC, just be careful not to go overboard. When it comes to design the Fuma 2 is relatively compact considering its thermal performance. It’s smaller than the top of the line air coolers and it should be compatible with most mid-tower cases.

If you need a mid-range RGB cooler the best choice is probably the Arctic Freezer 50. It’s more expensive than the Fuma 2 but it has very similar thermal performance and a pretty solid RGB setup. Its only major issue is the bulkiness since it has low RAM clearance, worse than even some high-end air coolers.

Best High-End Air Cooler For Ryzen 9 5900X

Noctua NH-D15
Dimensions160 × 150 × 161 mm
Number of Fans2
Advertised Acoustical Noise24.6 dB(A)
Max Fan Speed1500 RPM

The Noctua NH-D15 still is the best air cooler you can get on the market. It’s made for high-end CPUs and aside from its impressive thermal performance, the NH-D15’s also one of the quietest air coolers around. Get this one if you want the ultimate performance from an air cooler along with whisper-quiet work. The NH-D15 should also handle an overclocked 5900X without issues. Its main problem is huge size so read the specs twice if you own an mATX or a smaller mid-tower case. Also, watch about the RAM clearance, since it’s pretty tight. If Noctua’s color pallette isn’t to your liking they also have a sleek all black version.

Best Alternative to Noctua NH-D15

DEEP COOL Assassin III
Dimensions161 × 140 × 165 mm
Number of Fans2
Advertised Acoustical Noise34.2 dB(A)
Max Fan Speed1400 RPM

The Deepcool Assassin III is the best alternative to the NH-D15. It’s a bit louder than the Noctua flagship while achieving very similar thermal performance. Again, the main issue is the sheer size of the thing and tight RAM clearance, making it impossible to fit into smaller cases.

As for other alternatives the Dark Rock Pro 4 from be quiet! is pretty similar in performance but the installation can be a nightmare and it’s a bit louder than both the Assassin III and the NH-D15. The NH-D15S is a single fan version of the NH-D15. It’s cheaper while keeping a very similar thermal performance. Finally, the NH-U12A from Noctua is another premium air cooler, this time with a reduced footprint. The smaller size makes it easier to install inside cases with tall RAM sticks and its reduced height (158mm vs NH-D15’s 164mm) makes it compatible with a wider range of PC cases.

Best SFF Air Cooler for 5900X

Scythe Big Shuriken 3
Dimensions122 × 122 × 69 mm
Number of Fans1
Advertised Acoustical Noise2,7 - 30,4 dB(A)
Max Fan Speed1800 RPM

Small form factor coolers and a CPU like the Ryzen 9 5900X aren’t the best pairing. No matter how powerful an SFF air cooler is, it’s not meant to run a 12-core beast like the 5900X. Still, if you want to build an SFF rig, you can get either the Sycthe Big Shuriken 3 or the Noctua NH-L12S. They have very similar thermal performance while the Noctua cooler is a bit quieter.

These two SFF coolers should be enough for a stock clock 5900X used for gaming. Heavier workloads could increase the CPU temperature above the thermal throttle threshold. But, if you slightly undervolt the CPU and decrease PPT it should run at safe temperatures even under heavy loads with a single-digit performance loss.

Best Overall AIO Cooler For Ryzen 9 5900X

ARCTIC Liquid Freezer II 280
Dimensions280mm (317 × 138 × 38 mm)
Number of Fans2
Advertised Fan Noise Level23.5 dB(A)
Max Fan Speed1700 RPM

Moving to AIO coolers the best bang for the buck AIO cooler you can get for the Ryzen 9 5900X is the ARCTIC Liquid Freezer II. You can pick between the 280mm and 360mm versions with the former being the sweet spot for the 12-core CPU. Get the 360mm version if you plan on testing the 5900X’s OC limits or if you want a silent performance since the 360mm version will work at very low RPMs most of the time.

The Liquid Freezer II is both the overall best AIO cooler for the 5900X and the best budget AIO cooler since it sells at a lower price than the majority of AIO cooling systems sell at. If you cannot find the Liquid Freezer II you can get something like the EVGA CLC 280mm or the Fractal Design Celsius S24, maybe even S36 is you want silent performance.

Best RGB AIO Cooler For 5900X

Corsair H115i RGB Platinum 280
Dimensions280mm (322 × 137 × 27 mm)
Number of Fans2
Advertised Fan Noise Level36 dB(A)
Max Fan Speed2000 RPM

If you want the best RGB AIO cooler there is a ton of RGB AIO coolers out there. The best combination between the performance and the quality of the RGB lightshow is found on the Corsair H115i RGB Platinum AIO. It’s not the best AIO out there but it’s more than enough for the 5900X. RGB, on the other hand, looks amazing on this cooler.

If you need something larger and don’t care about the price, get the Corsair iCUE H150i Elite Capellix. This cooler offers ultimate performance and an excellent lightshow. Aside from the price, the main negative regarding the Capellix is high noise under heavy loads. There’s also the Fractal Design Celsius+ S36 Prisma; even more expensive, almost as pretty than Capellix, and noticeably quieter.

Best Silent AIO Cooler For 5900X

Fractal Design Celsius S36
Dimensions360mm (403 × 123 × 30 mm)
Number of Fans3
Advertised Fan Noise Level32.2 dB(A)
Max Fan Speed2000 RPM

While the Corsair Hydro Series H150i PRO RGB 360mm was our silent AIO recommendation of choice for a while now, this AIO system is increasingly harder to find. Its successor (the Corsair iCUE H150i Elite Capellix) is great when it comes to thermal performance but its noise levels are through the roof whenever the CPU gets under strain. Since Corsair’s out of the picture, we’ve decided to go with the Fractal Design Celsius+ S36 Prisma as our silent AIO of choice from now on.

While it’s very expensive the Celsius+ S36 Prisma has pretty good thermal performance coupled with immaculate silence even when you put your CPU under extreme strains while overclocked. On top of it all, the cooler features a ton of RGB effects and is one of the best RGB coolers around. If you don’t mind the price the Fractal Design Celsius+ S36 Prisma offers the best combination of thermal performance and silent operation on the AIO market.

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Goran Damnjanovic

Goran Damnjanovic

Goran is Levvvel's senior hardware writer. He studied psychology but found that video games and PC hardware were much more interesting. Over the years he's developed expertise in everything gaming tech related.

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