Customers often highlight the excellent cooling performance, vibrant RGB lighting, and ease of installation of the Hydro Series H100i RGB Platinum. Many also praise its quiet operation and good build quality, although some users mention challenges with the software and cable management. A few users noted compatibility concerns depending on the case and motherboard used. The size of the cooler was also a point of discussion for some customers.
This summary was generated by AI based on customer reviews.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 1 Showing 1-20 of 684 reviews
Pros mentioned:
Cooling, Noise level, Rgb lighting
Rated 5 out of 5 stars
Proven model that gets the job done and looks good
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I have had this installed for about a month now in a new build for an i3-10100. Admittedly, I'm not hardcore gaming with it, so the CPU isn't being pushed a ton, but this cooler is working really well, looks great, and the RGB is really solid. I have it top mounted in an exhaust position. No issues. Even though this model in Corsair's lineup is now a couple of years old, their newer stuff is using the same water pump. So, it's a proven, mature platform, and this model doesn't disappoint. It's probably overkill for my needs, but I love the look, and since it's never taxed to hard, it's quiet, even though I'm using a pretty open style case (Corsair 4000D Airflow), still don't hear the fans much.
I would recommend this to a friend
Pros mentioned:
Cooling, Noise level, Rgb lighting
Rated 5 out of 5 stars
Good, quiet pump and fans.
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
I was having trouble cooling my AMD Ryzen 9 3900X, but this thing works wonders. I was previously using a Noctua NH-D15, but it rested on my gpu and caused the cpu to overheat. The cpu would spike to ~105° Celsius and then shut off. Now, it runs at ~75-80° Celsius even when running a game in 4k.
I'm glad it works, but i hate liquid coolers for the setup. It is a huge annoyance. Especially the way this one is set up for AM4 sockets with the little latch locks. They twist and come undone from the mount as you are screwing them on. And, this thing adds 7 more wires running through the back of my case.
The asthetic is very nice, the RGB lighting is super bright and there are multiple LEDs in both the fans and the pump.
It is also very quiet, even on extreme performance it is quieter than my Noctua was.
I am very pleased with the cooler, I guess i just get too annoyed setting things like this up after all the times I've rebuilt my pc lol! (Little steep on the price, but Best Buy had it in stock & i needed something fast so I could use my PC.)
I would recommend this to a friend
Pros mentioned:
Cooling, Installation, Rgb lighting
Rated 5 out of 5 stars
Works great!
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Im using this in my gaming build to cool an AMD Ryzen 9 3900x cpu, and it works great! Beautiful LED's, lots of customization options in RGB, easy to install, cools perfect. No issues running some intense games. I did wipe off the thermal paste that's pre-applied on the heat sink and applied better quality paste using the spread method on the CPU during installation.
I would recommend this to a friend
Pros mentioned:
Cooling, Installation, Rgb lighting
Rated 5 out of 5 stars
Good quality 240mm radiator for mid size towers
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Simple setup instructions, no cosmetic or quality issues. Was able to get into my NZXT h510i easy enough, mounted easily to my motherboard.
Temps are great. Running this with a 140mm top exhaust and 120 mm rear exhaust fan, and a GPU that is in low 70s under load, and my CPU stays in the 50s-60s under load, occasionally reaching low 70s in brief spikes. I get 32-45 at idle.
iCUE is straight forward to setup profiles, recognized my cooler immediately. Happy with the RGB and performance settings. The dashboard feature is neat if you don't have any other hardware monitoring software.
I would recommend this to a friend
Pros mentioned:
Cooling, Installation
Rated 5 out of 5 stars
A must have for a gamer!
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I am running a very old Intel Core i7-3820. I have used its standard overclocking from 3600MHz to 3800MHz for 9 years now. I felt it time to amp up this old tech to 4561MHz and purchase this liquid cooler to make it possible.
The addition of this Corsair Hydro H100i Platinum cooler has brought my CPU resting temps down by at least 8 degrees Celsius and when I push my processor to the max this cooler very quickly and efficiently cools those cores back down while keeping its auto adjusted fan speeds at or below 70% at all times. At full power my CPU temps have not increased past 54 degrees Celsius, which is 12.5 degrees Celsius below Intel's declared threshold for my CPU. This cooler is outperforming my original expectations.
If you do not know what you are doing please do not attempt to overclock your CPU due to my review. The stats I listed above only pertain to my experience and is for informative purposes only.
I have only had this cooler for just over a month, but it has been a beauty to look at and a definite game changer so far. It was an extremely easy install and is working perfect. I HIGHLY RECOMMEND THIS PRODUCT.
I would recommend this to a friend
Pros mentioned:
Cooling
Rated 4 out of 5 stars
Corsair is great, however...
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Hi there. Big Corsair fan here. In my old build, I used a H100i for 5+ years, and it worked like a champ, with overclocking and a lot of high end gaming.
Just built a new computer, and chose this as my AIO due to really good past interactions with various products. New computer is also with a Corsair case and Corsair ram.
Unfortunately, there happened to be a manufacturing flaw in this specific unit. The plug where they fill the reservoir during manufacturing had a slow leak, which was dripping coolant down onto my fans/GPU and making a mess of my case. It was so slight, it took some sleuthing to figure it out.
In any case, I contacted Corsair for an RMA, and am waiting to hear back. Due to the rest of my computer parts being slow getting here due to Covid and such, it took me a bit to finish building my new PC. By the time I'd noticed this it was 2 days past the return date for Best Buy, unfortunately. Nothing else was damaged or anything like that.
So currently waiting to get another shipped over to me from Corsair. I'll simply ask for the same item, as I know their quality is generally really good, and this is probably just a one-off.
I would recommend this to a friend
Pros mentioned:
Cooling, Installation, Rgb lighting
Rated 5 out of 5 stars
Great lighting with excellent cooling.
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Posted . Owned for 3 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This AIO looks great with advanced iCue lighting. Easy to hookup and came with everything needed to complete installation. I ended up getting another for my sons build. Most importantly this cools my i9-9900kf great. Recommend to everyone.
I would recommend this to a friend
Pros mentioned:
Cooling, Noise level, Rgb lighting
Rated 5 out of 5 stars
Highly recommend
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This thing is a liquid cooling goddess! Very quiet fans and also strong. Ran my pc for 24 hours for testing and it kept my cpu at a consistent temperature the whole time running. The rgb lights are a bonus!
I would recommend this to a friend
Pros mentioned:
Rgb lighting
Cons mentioned:
Size
Rated 5 out of 5 stars
So far so good, great temps!
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I am really enjoying this cooler so far. Everything about it has been easy to manage and the temps have been solid for my CPU overall. A plus with this cooler is it comes setup with RGB capable fans which integrates super smooth with the Corsair iCue software/hardware. Highly recommend to anybody looking for somewhat smaller cooler as compared to the larger 280mm or 360mm. The temperatures are really not much different in comparison between those models from what I've seen.
I would recommend this to a friend
Pros mentioned:
Cooling, Ease of use, Rgb lighting
Rated 5 out of 5 stars
Amazing! Super easy install
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This thing keeps my CPU running so cool! Temps are stable. It was super easy to install and the RGB lights look so nice! Best AIO so far!
I would recommend this to a friend
Pros mentioned:
Cooling, Ease of use, Rgb lighting
Rated 4 out of 5 stars
Easy install, looks great, cool CPU temps
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Posted . Owned for 11 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
The good: easy install, RBG works great. Keeps CPU temps down.
The bad: USB connection in the water block might break on you, causing you to lose customization on iCue, and possibly fan curve control.
I would recommend this to a friend
Pros mentioned:
Cooling, Rgb lighting
Rated 5 out of 5 stars
Very quiet and very good thermals
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I'll try to keep this short and sweet. If you're into the rgb, this is a great buy. I have this hooked up without the cue software and it works on the default rainbow pattern. The amd bracket was probably the worst part of this install. Thermals on a Ryzen 3600 runa cool 55 under load (no overclock). I did replace the stock fans with some PC Cooler Corona rgb (which I already owned.
I would recommend this to a friend
Pros mentioned:
Cooling
Rated 4 out of 5 stars
Good non severe use AIO cooler
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This is for the Corsair H100i AIO liquid cooler. I comes with all the hardware to use on either Intel or AMD boards. Great for all who are looking for the lighting and who have normal cooling needs.
Only three pump speeds in the iCue control panel, Silent, Balanced and Extreme. I saw no difference between Balanced-2300 RPM and Extreme-2800 RPM. I think the heatsink and radiator dictate the cooling capacity and running the pump faster doesn't make any difference. You will need an open USB 2.0 headed on your board if you want to use the Corsair iCue fan and Pump control software. I didn't so, I had to use a USB splitter. I will include a picture.
I tried it with the already applied thermal paste and with a premium thermal paste. I saw no difference in CPU temperature,
and many review sites have had the same experience, so I would just use the applied thermal paste.
The reason I gave it a 4 star rating is because the holes where the fans attach and you screw it to the top of the case aren't threaded. It is a real effort to screw in the included threaded screws and the heads of the screws will strip out if you don't have a good screwdriver head. Seems if you provided threaded screws ,the holes that they go into should be threaded also.
I dropped my CPU temps by 10 degrees below the temps that I was getting with the AMD Wraith Prism cooler that came with my Ryzen 3700X which I run at stock settings and my chipset, MOS and M.2 temps run cooler seeing as all the heat is being exhausted from the case rather than into the case as it is with the Wraith Cooler.
So I think that this is a sufficient cooler for 65 watt CPUs or maybe even 105 watt CPUs that aren't overclocked, but if you are running CPUs that can be radically overclocked, you may want to look to an AIO with better cooling properties.
I would recommend this to a friend
Pros mentioned:
Cooling
Rated 5 out of 5 stars
Better Than Expected!
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Posted . Owned for less than 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I recently bought a barebones desktop that included the another brand cooler AIO. Unfortunately for me the cooler was not installed properly and did not cool the I9-9900K CPU at all. Hence my purchase of this AIO cooler. I am familiar with Corsair coolers, but had purchased larger versions (H110 for example) for full size tower desktops. This was my first purchase of a 240MM cooler for the mid-size tower of my build.
Setup was fairly straight forward for me since I am familiar with installing Corsair AIOs. Once installed and the system running, I was more than pleasantly surprised at the idle temperatures of the CPU -- between 27C and 28C!
I just finished running a stress test using the Intel Extreme Tuning App (which is free) and over 5 minutes running at 100% CPU, the package temperature never exceeded 60C and generally remained stable between 53C and 55C. That was much better than I expected.
Bottom line I am very pleased with this product and highly recommend it. Only time will tell how durable it is, but for now it is doing a great job of protecting the CPU and Motherboard.
I would recommend this to a friend
Pros mentioned:
Cooling, Rgb lighting
Rated 5 out of 5 stars
Great AIO!
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Posted . Owned for 3 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
This is a great cooler. I have it paired with an i7 9700k and my idle temps are stable under 40°C, and under load, it usually stays at around 60°C or more. While it works well, it is also a great addition to my PC. Paired with the ML120 fans, it looks amazing. The iCUE software is very easy to navigate and configure your fan and pump speeds. Great product overall!
I would recommend this to a friend
Pros mentioned:
Cooling, Rgb lighting
Rated 5 out of 5 stars
Best aio cooler!!
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Was deciding on either getting the Corsair Hi00 or the coolermaster aio cooler, after some decision I decided on the Corsair cool and it is the best decision I could’ve made. The rgb is very bright and it’s adds a very cool signature to your build. Not to mention it cools your pc way more than any other coolers (except for water cooling).
Would definitely recommend
I would recommend this to a friend
Pros mentioned:
Cooling
Rated 5 out of 5 stars
Quality AIO
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Posted . Owned for less than 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Got this for $100 during a sale but for that price this thing definitely feels great and well built. Cooling wise I’m able to overclock my 9600k while not having a personal heater in my room. Great aio just need my 3070
I would recommend this to a friend
Pros mentioned:
Cooling, Ease of use
Rated 5 out of 5 stars
Looks good. Easy to install except the screws.
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Easy to install. The screw part could be better though. I have to forced them in while mounting the radiator. Other than that, looks good & works well.
I would recommend this to a friend
Pros mentioned:
Installation, Rgb lighting
Rated 5 out of 5 stars
Looks fantastic, runs beautifully
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Easy to install, looks amazing. You can do a lot with the colors. They’re a little loud but that’s why I have them in a Phanteks P400s :) follow me on twitch: aWetBean_Bag www.twitch.tv/aWetBean_Bag
I would recommend this to a friend
Pros mentioned:
Cooling, Noise level
Rated 5 out of 5 stars
Awesome AIO cooler!
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Got this cooler running in my rig for a couple of months now and it’s been great! Kept my temps really low and is super quiet. I highly recommend this to anyone looking for a great cooler!