ASUS ROG Strix LC II 240 All-in-one AIO Liquid CPU Cooler 240mm Radiator, Intel LGA1700, 115x/2066 and AMD AM4/TR4 Support,2x120mm 4-pin PWM Fans
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AI Verdict
This 240mm AIO with a 7th Gen Asetek pump and 81 CFM ROG fans cools Intel LGA1700/AM4 CPUs, and offers ARGB lighting for builds prioritizing aesthetics.
This AIO is a strong fit for users building a desktop PC with a compatible Intel or AMD CPU who want liquid cooling and ARGB aesthetics. Its 7th Gen Asetek pump and ROG-designed fans provide efficient cooling for most mainstream to high-end processors.
If you plan on extreme overclocking or have a very high-TDP processor, consider a 360mm or 420mm AIO for increased thermal headroom.
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Pros
- Seventh Gen Asetek pump operates from 840 rpm for minimal noise during low loads.
- ROG-designed radiator fans deliver 81 CFM airflow and 5.0 mmH2O static pressure for cooling efficiency.
- Individually addressable RGB on the pump cover and fans syncs with Aura Sync for customizable lighting.
- Reinforced, sleeved tubing is 380mm long, allowing flexible radiator placement in various chassis.
- Compatible with a wide range of Intel (LGA 1700, 1200, 115x, 1366, 2011, 2011-3, 2066) and AMD (AM4, TR4) sockets.
Cons
- AM5 socket compatibility requires a separate mounting kit, which is not always included.
- The pump cover's round area is not a customizable display, despite some users' initial impressions.
- The 3-watt pump power consumption is standard, but some higher-end pumps offer more power for extreme cooling.
- The 240mm fan size might not be sufficient for heavily overclocked high-core-count CPUs.
Dimension Scores
The 7th Gen Asetek pump and ROG fans with 81 CFM airflow and 5.0 mmH2O static pressure provide above-average cooling for a 240mm AIO.
The Asetek pump starts at 840 rpm for minimal noise, but fan noise under load is not detailed, placing it at category average without specific dB ratings.
Features like a copper cold plate, reinforced sleeved tubing, and aluminum radiator indicate a robust construction.
The 380mm tubing length offers flexibility, but the number of cables for fans, pump, and RGB can still require careful routing.
Best For
- Gaming PCs with Intel LGA1700 or AMD AM4 CPUs needing effective heat dissipation.
- Builds where synchronized ARGB lighting across components is a priority.
- Users seeking a liquid cooler with a low-noise pump operation at idle.
- Systems utilizing ASUS ROG motherboards for aesthetic cohesion.
Not Recommended For
- Budget-focused builds where air cooling offers a lower cost per degree Celsius.
- Extreme overclockers pushing high-TDP processors beyond a 240mm radiator's capacity.
- Users who prefer a completely silent system, as fans will still generate some noise under load.
Watch Out For
- The pump's round ARGB area is not a display for custom images; it's a static RGB zone, which can disappoint users expecting a screen.
- AM5 motherboard users will need to acquire a separate mounting kit, as it's not universally bundled.
- While the pump starts at 840 rpm for low noise, the fans' noise levels under full load are not specified, potentially leading to higher than expected acoustic output.
Full Specifications
| UPC | 195553145886 197105119697 |
| ASIN | B09KSWJPGJ |
| Brand | ASUS |
| Voltage | 12 Volts |
| Wattage | 3 watts |
| Material | Aluminum, Metal, Plastic, Rubber |
| Item Weight | 2.2 pounds |
| Noise Level | 37.6 Decibels |
| Manufacturer | ASUS |
| Cooling Method | Fan, Water |
| Number of Items | 1 |
| Item model number | ROG STRIX LC II 240 |
| Compatible Devices | Desktop |
| Product Dimensions | 14.05 x 9.18 x 5.25 inches |
| Power Connector Type | 4-Pin |
| Maximum Rotational Speed | 840 RPM |
What Buyers Say
Many users are drawn to this AIO for its aesthetic appeal, particularly the customizable ARGB lighting that integrates well with other ASUS ROG components. The cooling performance for mainstream CPUs is frequently mentioned as effective, keeping temperatures in check even during gaming sessions. However, some buyers have expressed confusion regarding the pump's RGB area, mistakenly believing it to be a customizable display. The need for a separate AM5 mounting kit has also been a point of friction for those upgrading to newer AMD platforms.
“Dude, this thing looks sick in my build, the RGB is exactly what I wanted, but seriously, I thought I could put my dog's face on the pump, turns out it's just lights. Still cools my 12700K like a champ though.”
Common Praise
- CPU temperatures remain low during extended gaming or heavy workloads.
- ARGB lighting on the pump and fans looks vibrant and syncs seamlessly with Aura Sync.
- Installation process is straightforward for compatible Intel and AM4 sockets.
- The pump operates quietly, especially at lower RPMs.
- The reinforced tubing feels durable and allows for flexible routing.
Common Complaints
- The pump's circular RGB area is not a screen for custom images, which disappointed some users.
- AM5 mounting bracket is often not included, requiring an additional purchase.
- Fan noise can become noticeable under heavy load, despite quiet pump operation.
Ownership Tips
- The ARGB lighting effects are more dynamic and customizable than static RGB, making a noticeable difference in system aesthetics.
- The pre-applied thermal paste is adequate for initial use, but enthusiasts might consider reapplying their preferred compound.
- The tubing length is generous enough for top or front mounting in most mid-tower cases.
- Monitoring pump and fan speeds through Armoury Crate allows for fine-tuning noise and performance balance.
Frequently Asked Questions
Does this cooler support Intel's LGA 1700 socket?
Yes, the ASUS ROG Strix LC II 240 includes mounting hardware for Intel LGA 1700 sockets, along with several other Intel and AMD platforms.
Can I control the RGB lighting?
Yes, the cooler features individually addressable RGB lighting on the pump and fans, which is compatible with ASUS Aura Sync software for customization and synchronization.
Is this AIO compatible with AMD AM5 motherboards?
While the product description lists AM4 and TR4, some users report that AM5 compatibility is possible with a separate mounting kit. This kit may not be included.
How long are the tubes?
The reinforced, sleeved tubing on the ROG Strix LC II 240 is 380mm long, offering flexibility for radiator placement within your PC case.
What is the fan size?
This AIO uses two 120mm ROG-designed radiator fans, mounted on a 240mm radiator.
Buying Guide
When you're looking at an AIO cooler like this, you're essentially getting a self-contained liquid cooling loop. It's designed to pull heat directly from your CPU and dissipate it through a radiator with fans. This is often more efficient than air coolers for high-performance CPUs, especially if you're pushing them hard. You need to make sure your PC case has space for the 240mm radiator and its two 120mm fans.
240mm Radiator
This refers to the size of the heat exchanger. A larger radiator (like a 360mm or 420mm) can dissipate more heat, which is crucial for hotter CPUs or overclocking. A 240mm is a common size, offering a balance between cooling performance and case compatibility, like a mid-size car that fits most garages.
Seventh Gen Asetek pump
Asetek is a leading manufacturer of AIO pump technology. The 'Seventh Gen' indicates a modern, refined design aimed at efficiency and lower noise levels. Think of it like the engine in a car – a newer, more advanced engine generally means better performance and fuel economy.
81 CFM / 5.0 mmH2O fans
CFM (Cubic Feet per Minute) measures how much air the fan moves, and mmH2O (millimeters of water) measures static pressure, which is how well the fan pushes air through resistance (like a radiator's fins). Higher numbers in both generally mean better cooling, especially static pressure for radiators. These numbers are like the horsepower and torque of a fan.
Alternatives
If this 240mm AIO isn't enough, look for liquid coolers with larger radiators (360mm or 420mm) and higher fan static pressure ratings. If you prefer air cooling, search for dual-tower air coolers with 140mm fans and a high TDP rating.
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