Customer Ratings & Reviews

My p/c was overheating but upgraded to this and it has taken care of the problem. Great product and I found it easy to install for someone new to gaming pc's

This literally dropped my temps while gaming by like 15 degrees liquid cooling is the way to go. Not to mention IT LOOKS AMAZING makes your pc look elite

Great aio easy to install the colors are nice and bright

First time using liquid cool pretty easy to set up and keep everything under or in the low 100s the hose is a little stiff but besides that cant complain

Looks and runs great. Graphics are smooth, system is lightning fast.

It's fine. I had lost the AMD hardware to my thermalright cooler and needed something for my platform change. Wouldn't spend this much on a 240 again.

I installed the CORSAIR NAUTILUS 240 ARGB Liquid CPU Cooler on my Ryzen 9 7900X, coming from a smaller 120 mm cooler, and the improvement was immediately noticeable. Temps are far more controlled under load, and overall system stability is much better during gaming and heavier workloads. While it doesn’t have the same thermal headroom as a 360 mm AIO (as expected), the 240 mm radiator with dual RS120 ARGB fans handles the 7900X well for daily use, gaming, and productivity tasks—without excessive noise. What stood out: Noticeable upgrade from 120 mm: Lower and more stable temps across workloads Handles Ryzen 9 7900X well: Keeps thermals in check for gaming and multitasking Quiet operation: Fans ramp smoothly without getting loud Clean ARGB look: Subtle, customizable lighting that doesn’t overpower the build Straightforward install: Solid mounting hardware and clear instructions What to consider: For extreme stress testing or sustained heavy rendering, a 360 mm AIO will still run cooler Make sure your case supports a 240 mm radiator (top or front) Added value with Totaltech: Having Best Buy Totaltech added extra value to this purchase. The 2-year protection makes upgrading core components like a CPU cooler feel much more comfortable. Bottom line If you’re running a Ryzen 9 7900X and upgrading from a 120 mm cooler, the CORSAIR NAUTILUS 240 ARGB is a solid and noticeable step up. It delivers reliable cooling, quiet performance, and a clean aesthetic—making it a great choice for high-performance builds that don’t have room for a 360 mm radiator. Highly recommended for balanced performance and everyday reliability.

The installation is smooth, the included extension cables for fans and ARGB make life easier. The performance is also great, it keeps my CPU 1-2 degrees cooler than the NZXT X53 I retired. I was so happy to see a Corsair product that didn't force you to use iCue software...but there's a catch. The ARGB is only Gen 1. This seems like Corsair's way of punishing you for choosing the ARGB version of their cooler. Gen 2 has been around for years, and allows each device on a header to have it's own lighting controlled. By contrast, Gen 1 devices on the same header will all be lit the same. This AIO's pump and fans will all be the same color/pattern. If this was Gen 2 (any product in 2024 should be) then the pump and each fan would be a separate device and could be configured however you would like. The product images all show different lighting per device, which seems deceptive. If you want simple lighting, then this cooler works well and looks good. If you prefer more fluid/complex lighting setups, look elsewhere.

Easy installation and the instructions were thorough - albeit you have to go online for them. Fans are SILENT as a whisper and even under full load they are amazingly quiet. Kept temps in perfect control (7800x3d) and even under full utilization it never came close to red-lining (highest I saw was 68...so close). Bracket is easy to swap between an Intel and AMD CPU/Board (literally took 3 seconds). The icing on the cake? The emblem rotates to ensure proper orientation. Minor detail, but a welcome one.

Cooling-wise, this AIO is fantastic — temps stay low, it runs quietly, and installation was straightforward. But the RGB side of things? A headache. This cooler doesn’t support iCUE, and getting it to sync with motherboard software is hit-or-miss. If you just want solid cooling with a rainbow effect, it’s fine. But if you care about customizing your lighting or syncing it with the rest of your setup, be prepared for a frustrating experience. Great cooler, frustrating control.

Easy install help my cpu from stop over heating went from 90°c to 45° , WOW!

Great cooler originally had air and upgraded to this. 5 to 10 degrees cooler than the air and plus it has rgb. Easy installation took about 15 mins or so.

This cooler looks great, was easy to install, and works really well. Would recommend

I used this Corsair Nautilus 240 ARGB liquid CPU cooler in my very first PC build and it’s been awesome. It kept my CPU nice and cool even under load, was straightforward to install, and the ARGB lighting adds a fun, custom look to the system. It’s reliable, quiet, and makes me proud every time I boot up my rig. Definitely a great choice for your build.

Works great easy to install looks good keeps my PC nice and cool wish I would've bought a bigger one but that's my own fault more than anyone else's

I had a generic AOI cooler from newegg prebuilt and pc kept shutting down, just bought this and had zero issues for 6 months now. This 240mm AIO cooler delivers top-tier cooling performance, keeping my CPU impressively cool even under heavy gaming or rendering loads. It handles overclocking with ease, ensuring consistent, high performance. What really stands out is how whisper-quiet it is. You get powerful cooling without any annoying fan noise, which is fantastic for focus and immersion. And the ARGB lighting? Absolutely stunning. Controlled by iCUE software, the vibrant, smooth illumination from the RS120 fans and pump head adds a premium, personalized glow to any build. In short, the CORSAIR NAUTILUS 240 ARGB is an outstanding cooler. It perfectly blends superior cooling, quiet operation, and captivating aesthetics, making it an excellent investment for any high-performance PC. Issues: Not suffiecient documentation on how to wire some of fans and cooler

super easy to install, and very quiet. runs my cpu much cooler than my previous AIO did.

Kept CPU temps well and doesn't make too much noise, RGB is easily customizable.

Easy to install and good quality! I returned the Thermaltake TH120 ARGB, which it was very bad, and i got this! I’m so happy of my purchase, my Computer works much better! I strongly reccomand this product!

Fit perfectly with the case I purchased, cools my CPU (Ryzen 7 7800x3d) amazingly. Pre applied thermal paste was perfect amount!