The Lian Li Galahad II Trinity 240 is a 240mm all-in-one liquid CPU cooler designed for gamers, PC enthusiasts, and creators who want strong thermal performance without moving to a larger 280mm or 360mm radiator. It combines a redesigned copper cold plate, 3200 RPM pump, 120mm fluid-dynamic-bearing fans, customizable pump covers, and Lian Li’s RGB-focused design into a compact package.
The main selling point is the combination of cooling capability, customization, and clean aesthetics. The cooler supports modern Intel and AMD sockets, including Intel LGA 1851/1700/1200/115x and AMD AM5/AM4, making it suitable for a wide range of current and previous-generation systems. Lian Li also rates the standard Trinity 240 with a six-year warranty. (Lian Li)
In this Lian Li Galahad II Trinity 240 review, we’ll examine its design, specifications, features, installation, real-world performance, noise characteristics, safety considerations, long-term reliability, and value to determine who should consider this AIO.
Why it Matters to You
CPU temperatures have become increasingly important as modern processors push higher boost clocks and power consumption. A capable cooler can help a CPU sustain performance more consistently while also giving users greater flexibility when building a gaming or productivity PC.
The Galahad II Trinity 240 is particularly interesting if you want the advantages of liquid cooling but don’t have enough room—or don’t want the cost—of a 360mm AIO.
Its 240mm radiator is considerably easier to accommodate in many mid-tower cases. At the same time, Lian Li has equipped the cooler with a 3200 RPM pump and two 120mm fans capable of up to 79.9 CFM and 3.26 mmH2O of static pressure in the standard RGB version. (Lian Li)
The pump block is another reason to consider it. Rather than locking you into one appearance, Lian Li provides three interchangeable pump-cover designs. This makes the Galahad II Trinity 240 particularly appealing to builders who care about the appearance of their PC as much as thermal performance.
In-Depth Reviews of Lian Li Galahad II Trinity 240

The Galahad II Trinity 240 takes a different approach from basic 240mm AIO coolers. Instead of focusing only on cooling hardware, Lian Li has built a product that also emphasizes customization and cable management.
The radiator measures 277.5 × 119.2 × 27mm, while the complete radiator-and-fan assembly is approximately 52mm thick. The 27mm radiator uses a single-wave fin design, and the cooler uses 385mm tubing. (Lian Li)
Cooling Design
The copper contact plate is one of the key hardware improvements in the Galahad II Trinity generation. Lian Li redesigned the plate and coolant pathway to improve heat transfer from the CPU into the liquid.
The pump operates at up to 3200 RPM, while the redesigned tubing has a 7mm internal diameter. The tubing connects to the pump through 45-degree rotary fittings, making it easier to position the tubes during installation. (Lian Li)
For a 240mm AIO, this is a strong hardware package.
Fans
The standard Galahad II Trinity 240 uses two 120 × 120 × 25mm FDB fans. They operate from approximately 300 RPM up to 2450 RPM and are rated for up to 79.9 CFM of airflow and 3.26 mmH2O of static pressure. Lian Li lists acoustic output at up to 30 dBA for the standard version. (Lian Li)
That combination gives the fans enough pressure to work effectively against the radiator fins while still allowing lower-speed operation during lighter workloads.
Pump and Lighting
The pump is arguably the visual centerpiece of the cooler.
Lian Li provides three pump-cover designs: Dazzle Mode, Sink Hole, and Duo-Infinity. These can be changed according to the look of your build, while the lighting and compatible devices can be managed through L-Connect 3. (Lian Li)
This is an important advantage over conventional AIOs that provide a fixed pump-block design.
Installation
Installation is relatively straightforward, although installing any AIO requires more steps than a traditional air cooler.
The radiator should be mounted securely, followed by installation of the CPU block and connection of the pump, fans, and lighting. The cooler supports current Intel and AMD platforms, including LGA 1851, LGA 1700, LGA 1200, LGA 115x, AM5, and AM4. (Lian Li)
For a clean installation, it is worth planning radiator placement and tube orientation before tightening everything down.
Specifications Table

The following specifications are based on Lian Li’s published specifications for the standard GA II Trinity 240 RGB model. (Lian Li)
| Specification | Lian Li Galahad II Trinity 240 |
|---|---|
| Cooler Type | 240mm AIO Liquid Cooler |
| Radiator Size | 277.5 × 119.2 × 27mm |
| Pump Speed | Up to 3200 RPM |
| Pump Dimensions | 74 × 74 × 69mm |
| Tube Length | 385mm |
| Tube Inner Diameter | 7mm |
| Fan Size | 120 × 120 × 25mm |
| Fan Speed | 300–2450 RPM |
| Maximum Airflow | 79.9 CFM |
| Static Pressure | 3.26 mmH2O |
| Fan Bearing | Fluid Dynamic Bearing |
| Pump Noise | 16.59 dBA |
| Fan Acoustic Rating | 30 dBA |
| Radiator Fin Design | Single Wave |
| CPU Compatibility | Intel LGA 1851/1700/1200/115x, AMD AM5/AM4 |
| Lighting | ARGB |
| Pump Covers | Dazzle Mode, Sink Hole, Duo-Infinity |
| Available Colors | Black / White |
| Warranty | 6 years |
Key Features at a Glance
- 240mm radiator for compact high-performance builds
- 3200 RPM pump
- Redesigned copper cold plate
- 45-degree rotary tube fittings
- 7mm internal-diameter tubing
- Two 120mm FDB fans
- Up to 79.9 CFM airflow
- Up to 3.26 mmH2O static pressure
- Three interchangeable pump-cover designs
- ARGB lighting
- L-Connect 3 support
- Intel LGA 1851/1700/1200/115x compatibility
- AMD AM5/AM4 compatibility
- Six-year warranty (Lian Li)
What to Look for When Choosing the Lian Li Galahad II Trinity 240

Before buying a 240mm AIO, don’t judge it only by the radiator size or RGB lighting. Several other factors can make a major difference.
CPU Compatibility
First, verify that the cooler supports your processor socket. The Galahad II Trinity 240 supports several Intel and AMD platforms, making it a flexible choice for modern systems. (Lian Li)
Case Compatibility
A 240mm radiator requires two 120mm fan positions. Check whether your case supports a 240mm radiator at the top, front, or another compatible mounting position.
CPU Power
A 240mm AIO is more appropriate for moderately high-performance processors than extremely power-hungry CPUs running unrestricted workloads.
Noise
Fan speed, pump speed, case airflow, and radiator placement all affect noise. A cooler that performs well at lower fan speeds can be more pleasant for everyday use.
Software and RGB
If you’re building an RGB-focused PC, check whether the cooler works with your preferred control ecosystem. Lian Li provides L-Connect 3 support for customization. (Lian Li)
Quick Highlights Table
Here’s a quick summary of where the Galahad II Trinity 240 stands.
| Category | Rating/Assessment |
|---|---|
| Cooling Performance | Excellent |
| 240mm Class Performance | Excellent |
| Noise Control | Very Good |
| RGB Customization | Excellent |
| Pump Design | Excellent |
| Installation | Very Good |
| Compatibility | Excellent |
| Cable Management | Very Good |
| Build Quality | Excellent |
| Long-Term Support | Excellent |
| Best For | Gaming & enthusiast PCs |
| Overall Value | Very Good |
Buying Guide
1. Check Your Case
Before purchasing, confirm that your chassis supports a 240mm radiator. Top mounting is often ideal because it can provide a clean installation and good airflow, but compatibility depends on the case.
2. Consider Your CPU
The Galahad II Trinity 240 makes the most sense when paired with a CPU that benefits from serious cooling but doesn’t necessarily require the maximum cooling capacity of a large 360mm AIO.
3. Consider RAM and Motherboard Clearance
Liquid coolers generally provide excellent clearance around the motherboard socket because the radiator and fans are positioned away from the DIMM slots.
4. Decide Whether RGB Matters
If you don’t care about lighting, a simpler cooler can potentially offer better value. If aesthetics are important, however, the interchangeable pump covers and ARGB system make the Trinity 240 much more attractive.
5. Think About Warranty
Lian Li lists a six-year warranty for the Galahad II Trinity series, which is a meaningful advantage for buyers planning to keep their cooling hardware for several PC upgrade cycles. (Lian Li)
Pros & Cons
The Lian Li Galahad II Trinity 240 review shows a cooler that balances performance, design, compatibility, and customization particularly well.
Pros
- Strong 240mm cooling capability
- 3200 RPM pump
- Excellent fan specifications
- Attractive pump design
- Three interchangeable pump covers
- ARGB lighting
- L-Connect 3 support
- Broad modern CPU compatibility
- 45-degree rotary fittings
- Six-year warranty
Cons
- A 240mm radiator has less surface area than a 360mm radiator
- RGB and L-Connect features may be unnecessary for minimalist builds
- High-performance operation can increase fan noise
- Installation is more involved than a good air cooler
- Long-term AIO maintenance and failure considerations still apply
Best Pick Based on Your Use Case
| Use Case | Recommendation |
|---|---|
| Gaming PC | Excellent choice |
| High-end gaming | Very good choice |
| Mid-range gaming | More than enough |
| Content creation | Good choice |
| Productivity | Very good |
| RGB enthusiast build | Excellent choice |
| Compact ATX build | Excellent choice |
| Silent PC | Good, with fan tuning |
| Budget PC | Consider a cheaper air cooler |
| Extreme CPU workloads | Consider a larger AIO |
For a gaming-focused build, the Galahad II Trinity 240 is especially compelling because it delivers serious cooling without requiring the larger radiator footprint of a 360mm model.
Real-World Performance

The standard Trinity 240 should be viewed as a strong enthusiast-class 240mm cooler rather than simply an RGB accessory.
Its cooling hardware includes a high-speed pump, redesigned copper contact plate, single-wave radiator, and high-pressure FDB fans. These components are designed to move heat away from the CPU efficiently. (Lian Li)
It is important, however, not to confuse the standard Trinity 240 with the Galahad II Trinity Performance 240. The Performance model uses a substantially more aggressive cooling configuration and has been independently tested against high-end 360mm AIOs. Tom’s Hardware found the Performance 240 capable of competing with some 360mm coolers in demanding workloads. (Tom’s Hardware)
That distinction matters when evaluating this product.
For the standard Trinity 240, practical results will depend heavily on the CPU, case airflow, ambient temperature, motherboard power settings, fan curve, and radiator placement.
For gaming, where CPU workloads often fluctuate rather than remain at maximum all-core power continuously, a good 240mm AIO can provide an excellent balance between temperature, noise, and case compatibility.
Safety & Protection
Liquid cooling requires a little more attention than air cooling because it combines electronics, tubing, coolant, and a radiator.
The first safety consideration is installation. Make sure the radiator and pump block are securely mounted and that the tubing is not sharply bent or under excessive mechanical stress.
Cable connections should also be checked carefully before powering on the system. The pump should receive appropriate power, and fan and ARGB connections should be installed according to the motherboard or controller configuration.
Avoid modifying the sealed cooling loop. Unlike a custom water-cooling system, an AIO is designed to operate as a closed unit.
Finally, inspect the tubing and fittings occasionally. If you ever notice unusual moisture, residue, or signs of leakage, shut down the PC and investigate before continuing operation.
Long-Term Reliability Tips
The Galahad II Trinity 240 has a six-year warranty according to Lian Li, which provides considerable coverage for an AIO product. (Lian Li)
Still, good maintenance can help the system remain effective for years.
Keep the Radiator Clean
Dust buildup reduces airflow through the radiator fins. Clean the radiator and fans periodically using appropriate compressed-air cleaning methods.
Monitor Temperatures
Keep an eye on CPU temperatures after installation and following major hardware changes. A sudden unexplained temperature increase can indicate a fan, pump, mounting, or airflow problem.
Check Fan Behavior
If the fans suddenly begin running much faster than normal during light workloads, investigate CPU temperatures and fan curves.
Keep Tubing Unobstructed
Avoid putting unnecessary pressure on the tubes or sharply folding them during cable management.
Maintain Good Case Airflow
Even an excellent AIO cannot compensate for severely restricted case airflow. Maintain a sensible intake and exhaust configuration.
Buying Recommendations
The Galahad II Trinity 240 is best suited to buyers who want more than basic CPU cooling.
If you’re building a gaming PC with a modern Intel or AMD processor, it is a strong option when your case supports a 240mm radiator.
It is also an excellent choice for RGB-focused systems. The three interchangeable pump covers give the cooler a degree of visual customization that many competing AIOs don’t offer. (Lian Li)
However, buyers should consider alternatives if their main goal is maximum value rather than appearance. A quality air cooler can be simpler, cheaper, and easier to maintain.
Likewise, users with an extremely power-hungry CPU and a case that supports a 360mm radiator may benefit from stepping up to a larger AIO.
The key is to match the cooler to your processor, case, budget, and workload rather than assuming a larger or more expensive cooler is automatically better.
Final Verdict
The Lian Li Galahad II Trinity 240 is a well-rounded 240mm AIO that successfully combines cooling hardware with enthusiast-oriented customization.
Its 3200 RPM pump, redesigned copper cold plate, high-performance 120mm FDB fans, 45-degree fittings, ARGB lighting, and interchangeable pump covers give it a compelling feature set. Lian Li also provides broad CPU compatibility and a six-year warranty. (Lian Li)
Its biggest strength is versatility. It can fit into many systems where a 360mm AIO would be inconvenient while still offering substantially more visual customization than a basic CPU cooler.
The main limitation is inherent to the 240mm format: it cannot provide the same radiator surface area as a 360mm cooler. Users running extremely demanding CPUs at unrestricted power may therefore prefer a larger cooling solution.
Overall, the Galahad II Trinity 240 is a strong choice for gaming PCs, enthusiast builds, and RGB-focused systems where performance, appearance, and compatibility all matter.
FAQ About Lian Li Galahad II Trinity 240
Q1: Is the Lian Li Galahad II Trinity 240 good for gaming?
Ans: Yes. The 240mm radiator, 3200 RPM pump, and dual 120mm FDB fans make it a strong option for gaming PCs. Its compact radiator size also makes it easier to install than many 360mm AIOs. (Lian Li)
Q2: What CPUs does the Lian Li Galahad II Trinity 240 support?
Ans: The cooler supports Intel LGA 1851, LGA 1700, LGA 1200, and LGA 115x, along with AMD AM5 and AM4 platforms. (Lian Li)
Q3: How fast are the Galahad II Trinity 240 fans?
Ans: The standard RGB version’s 120mm fans operate from approximately 300 RPM to 2450 RPM and provide up to 79.9 CFM airflow and 3.26 mmH2O static pressure. (Lian Li)
Q4: Does the Lian Li Galahad II Trinity 240 support RGB?
Ans: Yes. It features ARGB lighting and supports customization through L-Connect 3. It also includes three interchangeable pump-cover designs. (Lian Li)
Q5: Is the Galahad II Trinity 240 better than a 360mm AIO?
Ans: Not necessarily. A 360mm radiator has more surface area and can provide greater cooling potential. The advantage of the Trinity 240 is its smaller footprint while still providing strong performance. The Trinity Performance 240, which is a different model, has demonstrated unusually strong performance against some 360mm coolers in independent testing. (Tom’s Hardware)
Q6: How long is the warranty on the Galahad II Trinity 240?
Ans: Lian Li lists a six-year warranty for the Galahad II Trinity series. (Lian Li)
Q7: Is the Lian Li Galahad II Trinity 240 worth buying?
Ans: Yes, particularly if you want a combination of strong 240mm cooling, attractive RGB lighting, customizable pump covers, modern socket support, and long warranty coverage. Buyers focused strictly on price may find a quality air cooler or simpler AIO more economical.
Short Conclusion
The Lian Li Galahad II Trinity 240 is a well-designed 240mm liquid cooler for gamers and PC enthusiasts who want reliable cooling combined with premium aesthetics. Its 3200 RPM pump, capable FDB fans, customizable pump covers, ARGB lighting, broad socket compatibility, and six-year warranty make it a compelling option. If your case supports a 240mm radiator and you value both performance and appearance, the Galahad II Trinity 240 deserves a place on your shortlist.