ASUS ROG Strix LC II 240 All-in-one AIO Liquid CPU Cooler 240mm Radiator, Intel LGA1700, 115x/2066 and AMD AM4/TR4 Support

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What to look for:
  • TDP rating must exceed your CPU's TDP
  • Socket compatibility (AM5, LGA1851, etc.)
  • Fits within your case's cooler height limit
💰 Air coolers are reliable and quiet. AIO liquid coolers handle high-TDP CPUs best
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ProductTypeTDP RatingAirflowNoiseValuePrice
ROG Strix LC II 240 All-in-one AIO Liquid CPU Cooler 240mm Radiator, Intel LGA1700, 115x/2066 and AMD AM4/TR4 Support CPUCooler
ROG Strix LC II 240 All-in-one AIO Liquid CPU Cooler 240mm Radiator, Intel LGA1700, 115x/2066 and AMD AM4/TR4 Support
ASUS★★★★★4.7
AIO
~200W
120.0 CFM
37.6dBA
Noticeable
D
$145
2 stores
Specifications
asinB09KSWJPGJ
reviews151
UPC195553145886197105119697
Weight2.2 lbs
TypeAIO
Radiator240
Noise37.6dBA Noticeable
CompatibilityDesktop
Fans Included2 fans
RGBYes
value13
TDP Rating200W
tdp_rating_esttrue
socketsLGA1700,LGA1851,AM5,AM4
Fan Size120mm
Height52mm
Airflow120.0 CFM
radiator240
fanCount2
PERFORMANCE
58%
Customer Reviews★★★★★4.8 · 5 reviews
★★★★★Great cooler for the price.
I ordered this for my son's 13700k, and the cooling performance has been fantastic. I preferred this cooler to the fancier ones that have displays linked to software because there is a lot of negative reviews about the ASUS software and support. My reasoning was that this is just a stripped-down hardware solution with a nice logo, zero software required - and it works exactly as expected. In fact, it's about the same price as a nice Noctua air cooler, and it looks super slick inside the case. I don't really get the idea of the in-case displays anyhow, usually a computer is sitting in a location that would make that useless, and you can just look at a software display on-screen anyhow. Bottom line - definitely recommeded.
The Invisible Man · 2023-09-14 · via amazon
★★★★★Best AIO bought
very nice AIO beautiful color and performance and created a great experience with hot CPUs. Works good with AM5 platforms and it fits the case perfectly. Also very quiet.
Wei Wang · 2025-08-15 · via amazon
★★★★★Cools well and looks good
I ordered a pc and picked all the parts for it but I guess I forgot to pick a cpu cooler so they installed a generic one. Well when I got it I didn't like it and immediately started looking for an upgrade. Found this cooler and since I'm familiar with the brand and and price was good I went with it. It arrived packaged very well, one of those boxes that's to nice to throw away types. It came with everything needed to install it even thermal paste pre installed. The lights look good and synced up with the rest. This keeps my cpu nice and cool even while gaming the temp barely goes up.
Tommy L Evans JR · 2025-01-23 · via amazon
★★★★★I mean, wow! Great AIO for my Ryzen 9 5900
Great build quality and now I can overclock my Ryzen 9 5900X to 4600 @ 1,3 volts at 48C --- really amazing; tried a Corsair but it sucked. The mounting system is really great and super easy to install! Great cooler for the $ The only issue is warranty registration the Serial Number and Code were a mismatch in the ASUS system - saying it had already been registered. And it gave the wrong part description as well. The Customer Support is great and they are trying to sort this issue out, Hardware is solid and a great max for my ROG STRIX B500-F Mobo
momentSkier · 2024-12-08 · via amazon
★★★★Good, but fans are questionable
I opted to make a new build for XMas and used this AIO. I've always gone air-cooled in the past and since I was going small form factor this time around I figured that I'd go AIO - mostly for space considerations but a bit for quiet as well. Cools an AMD 78003D like a champ. Nice and quiet - can hardly even hear the pump (my hearing aids are in for repair, so I admit that I'll need to reassess this in a couple weeks.) Installed without too much trouble - enough length of tubing to accommodate any positioning I could think of for this case, but would work well with other case sizes, too. If I wasn't building SFF I'd probably go with the 360mm version, all considered. Pre-applied paste seems to have been up to the task - it was a thin silkscreen layer that looked dry on-sight and to a light touch, but was sufficient (and not dry at all - just a bit stiff). Had to re-position the pump and block and noticed good smooshy coverage of the CPU. Box had everything a boy could need in there - a variety of different standoffs for AMD4-5/INTEL setup, a mess of screws and a pretty good installation guide. Anyhow, the real bugbear was the fans - one of the fans, to be precise. It had bad bearings and sounded like a rattletrap the moment I did my check for post. It was soooo obvious and even a finger-spin would set it off. I swapped out both fans for a pair of 3-wire scrap coolermasters I had laying around from an old machine. Problem solved, done-and-dusted. Not sure how important the 4-wire (they're in a ribbon) stock fans are, but 3-wire seemed to throttle up and back as needed. Whatever magic conversation the pump is having with the CPU over the USB header, the fans seem to be getting the right message. Conclusion: Don't trust the stock fans on these things. Buy nice fans... you don't have to go Noctua, but get something decent and quiet. ASUS makes a lot of really good stuff, but whoever they get fans from is wicked bad at running the most basic tests. I sorta wish that I'd looked around for a version that didn't have fans so that I'd just have to buy a pair of my choice and it would not have been an issue. Also, when screwing the radiator snug up to the case, I noticed that the threaded ends of some of the mounting screws did dent the radiator vanes a bit - no punctures (thank goodness) but if you're sensitive to that kind of thing just get some thin rubber grommets to achieve enough space to avoid interference. Good coooler, happy with the result.
DudeFromDenver · 2024-12-23 · via amazon
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VALUE SCORE
D
7.2
Below average
Performance (58%) ÷ Price ($145) = 7.2
S ≥28 · A ≥20 · B ≥14 · C ≥8 · D <8
Save $41.93 at amazon vs newegg
ROG Strix LC II 240 All-in-one AIO Liquid CPU Cooler 240mm Radiator, Intel LGA1700, 115x/2066 and AMD AM4/TR4 Support CPUCooler
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