Thermaltake TH420 V2 ARGB Sync/AlO Liquid Cooler/Fan 140mm*3/PWM 500~1800 RPM/Mirror Waterblock/MB ARGB Sync Control/White, CL-W378-PL14SW-A
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AI Verdict
A 420mm AIO with three 140mm ARGB fans and a copper cold plate, designed for large cases and high-performance CPUs.
This 420mm AIO with three 140mm fans and a copper cold plate is a strong fit for high-performance desktop systems needing significant heat dissipation. Its ability to cool a Ryzen 7 7700X to 63.8°C under load demonstrates its thermal capacity, making it suitable for demanding CPUs. The broad socket compatibility also ensures it works with most modern and older platforms.
If you need even more extreme cooling or a smaller footprint, look for AIOs with thicker radiators or higher static pressure fans, or consider custom liquid cooling loops.
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Pros
- Achieves CPU temperatures as low as 63.8°C on a Ryzen 7 7700X under all-core loads.
- Includes three 140mm CT140 ARGB fans with 84.32 CFM airflow and 3.02 mm-H2O static pressure.
- Features a 27mm slim radiator with a 20mm thickened copper chamber for heat dissipation.
- Daisy-chain fan design minimizes motherboard 4-pin PWM and 3-pin ARGB port usage.
- Waterblock has a 360-degree rotational cap with infinity mirror lighting for customizable aesthetics.
- Compatible with a broad range of Intel (LGA 2066/2011-3/2011/1700/1200/1156/1155/1151/1150) and AMD (AM5/AM4/AM3+/AM3/AM2+/AM2/FM2/FM1) sockets.
Cons
- Requires a large PC case to accommodate its 420mm radiator and three 140mm fans.
- Does not include a dedicated RGB controller, relying on motherboard 5V ARGB headers for lighting control.
- Fan noise at maximum speed (1800 RPM) can be noticeable, measured at 34.7 dB-A in sound chambers.
- The included fan and ARGB cables are short, though extensions are provided.
Dimension Scores
The cooler achieved CPU temperatures as low as 63.8°C on a Ryzen 7 7700X under all-core loads, outperforming the Noctua NH-D15 and NZXT Kraken Elite 360 RGB in testing.
Fans are rated at 34.7 dB-A at 1800 RPM in sound chambers, which is acceptable but can be noticeable at full speed.
Features a copper base plate for heat conductivity, a 27mm slim radiator with a thickened 20mm copper chamber, and a reliable pump for water circulation.
The daisy-chain design for the fans reduces cable clutter, and extension cables are included to help with routing.
Best For
- Enthusiast PC builds with high-end Intel or AMD CPUs that generate substantial heat.
- Users with large PC cases capable of mounting a 420mm radiator.
- PC builders prioritizing CPU cooling performance over absolute silence at maximum fan speeds.
- Systems where motherboard ARGB software (ASUS Aura Sync, GIGABYTE RGB Fusion, MSI Mystic Light Sync, ASRock Polychrome) is preferred for lighting control.
Not Recommended For
- Compact or mid-tower PC cases that lack space for a 420mm radiator.
- Users who prefer a dedicated hardware RGB controller for lighting effects.
- Budget-focused builds where a more cost-effective air cooler or smaller AIO might suffice.
Watch Out For
- The 420mm radiator size means it won't fit in many common PC cases; verify your case's radiator support before buying.
- While the fans are rated at 34.7 dB-A, this is a lab measurement; actual noise levels in a typical case can be higher, especially at 1800 RPM.
- Some users report Thermaltake's past quality/support concerns, though this specific model's cooling performance is positively reviewed.
- The lack of an included RGB controller means you're tied to your motherboard's software for lighting customization.
Full Specifications
| UPC | 841163089279 |
| ASIN | B0CHN7BPZK |
| Brand | Thermaltake |
| Voltage | 5 |
| Wattage | 2.5 watts |
| Material | Aluminum, Tube Material : Rubber, Water Block Material : Copper |
| Item Weight | 6.3 pounds |
| Noise Level | 34.7 Decibels |
| Manufacturer | Thermaltake |
| Cooling Method | Water |
| Number of Items | 1 |
| Item model number | CLW378PL14SWA |
| Compatible Devices | Desktop |
| Product Dimensions | 10 x 2 x 2.7 inches |
| Power Connector Type | 3-Pin |
| Maximum Rotational Speed | 3000 RPM |
What Buyers Say
This Thermaltake TH420 V2 ARGB AIO is a brute-force cooler that delivers exceptional thermal performance for its price, often cooling high-end CPUs more effectively than some premium alternatives. The main consideration is its substantial 420mm size, which demands a large case, and the reliance on motherboard software for its infinity mirror ARGB lighting. While the fans can get loud at their maximum 1800 RPM, they can be tuned for quieter operation without sacrificing too much cooling capacity.
“Dude, this thing actually keeps my 7900X from melting, like, for real. Just make sure your case is a monster or it ain't fitting, trust me.”
Common Praise
- Keeps high-wattage CPUs significantly cooler than expected, with a Ryzen 7 7700X running at 63.8°C under load.
- Outperforms other established coolers like the Noctua NH-D15 and NZXT Kraken Elite 360 RGB in cooling tests.
- The infinity mirror lighting on the waterblock and ARGB fans provide a visually appealing aesthetic.
- The daisy-chain fan cabling simplifies installation and reduces cable mess.
- The 420mm radiator and three 140mm fans provide a large cooling surface area.
Common Complaints
- The 420mm radiator size limits compatibility to only very large PC cases.
- No dedicated RGB controller is included, requiring motherboard software for lighting synchronization.
- Fans can produce noticeable noise when operating at their maximum 1800 RPM speed.
- Some users have general concerns about Thermaltake's historical quality or support, though specific issues for this model are not widely reported.
Ownership Tips
- You'll spend some time routing the ARGB and PWM cables, even with the daisy-chain feature, to keep things tidy in a large case.
- Tuning the fan curve in your motherboard's BIOS or software is essential to balance cooling performance and noise levels.
- The infinity mirror effect on the waterblock looks better in person than in photos, adding depth to the build.
- Installation on some older Intel sockets might require careful attention to mounting pressure for optimal contact with the CPU.
Frequently Asked Questions
What CPU sockets is this cooler compatible with?
It's compatible with a wide range of Intel sockets including LGA 2066, 1700, and 1200, and AMD sockets like AM5, AM4, and AM3+.
Does this AIO come with an RGB controller?
No, it does not include a dedicated RGB controller. You'll need to connect the ARGB lighting to your motherboard's 5V ARGB headers and control it via your motherboard's software.
What are the fan specifications?
The three 140mm CT140 ARGB fans operate between 500 and 1800 RPM, providing 84.32 CFM of airflow and 3.02 mm-H2O of static pressure, with a reported noise level of 34.7 dB-A.
Will this cooler fit in my PC case?
This AIO features a 420mm radiator, which requires a large PC chassis for proper installation. You should check your case's specifications for 420mm radiator support before purchasing.
What is the warranty period for this product?
The Thermaltake TH420 V2 ARGB Sync AIO Liquid Cooler comes with a 2-year warranty.
Buying Guide
When you're looking at an AIO liquid cooler like this, you need to think about two main things: how much heat your CPU makes and how big your PC case is. A 420mm radiator is huge, so you absolutely need to confirm your case has mounting points for it. The bigger the radiator, generally the better the cooling, but also the more space it takes up. Also, consider if you want to control your RGB lighting through your motherboard's software or if you prefer a separate controller.
Radiator Size (420mm)
This number tells you the physical size of the heat exchanger. A 420mm radiator is one of the largest available, meaning it has a lot of surface area to dissipate heat, which is crucial for keeping powerful CPUs cool. Think of it like a bigger car radiator; more surface means more cooling capacity.
Fan RPM (500~1800 RPM)
Revolutions Per Minute (RPM) indicates how fast the fans spin. Higher RPM generally means more airflow and better cooling, but it also means more noise. The range here lets you adjust for a balance between quiet operation and maximum cooling.
Static Pressure (3.02 mm-H2O)
This measures how well a fan can push air through resistance, like a radiator's fins. A higher static pressure is important for AIO fans because they need to force air through a dense radiator to effectively cool the liquid. It's like how much 'push' the fan has.
Motherboard ARGB Sync Control
This feature means the cooler's lighting can be controlled by your motherboard's RGB software (e.g., ASUS Aura Sync). It simplifies your lighting setup by letting you synchronize all your components' RGB effects from one place, rather than needing multiple apps or controllers.
Alternatives
If this 420mm AIO is too large for your case, look for 360mm or 280mm AIOs. If you need even quieter operation, search for coolers with lower fan RPM ranges or larger fan sizes (like 140mm fans on a 280mm AIO) that can move more air at slower speeds.
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