Best Cooler Master Aio Liquid Coolers Under $100 in 2026: 3 Picks
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Finding the best Cooler Master Aio Liquid Coolers Under $100 requires careful spec comparison. We evaluated 3 models to help you choose. The Cooler Master MasterLiquid ML240L RGB V2 leads as the best overall pick. Its dual-chamber pump and support for AM5 and LGA1700 sockets make it ideal for standard 240mm builds. These selections are based strictly on published specifications. This guide helps you decide which cooler fits your case and motherboard.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Cooler Master MasterLiquid ML240L RGB V2 Best overall | Standard 240mm builds with AM5 or LGA1700 | Check price of Cooler Master MasterLiquid ML240L RGB V2 on Amazon |
| 2 | Cooler Master MasterLiquid PL240 Flux ARGB Best premium | Compact cases needing 240mm cooling | Check price of Cooler Master MasterLiquid PL240 Flux ARGB on Amazon |
| 3 | Cooler Master 240L Core 240mm ARGB AIO Best budget | LGA 1851 and AM5 builds | Check price of Cooler Master 240L Core 240mm ARGB AIO on Amazon |
The best fit for you
- You need a standard 240mm cooler for AM5 or LGA1700 Cooler Master MasterLiquid ML240L RGB V2 It supports AM5 and LGA1700 sockets with a 240mm radiator size.
- You want the best budget option for compact cases Cooler Master MasterLiquid PL240 Flux ARGB This model is rated as the best budget pick for space-constrained builds.
- You are building a new system with an LGA1851 socket Cooler Master 240L Core 240mm ARGB AIO It explicitly supports the LGA1851 socket and includes ARGB lighting.
Our 3 picks
Cooler Master MasterLiquid ML240L RGB V2
Best for: Standard 240mm builds with AM5 or LGA1700
- Radiator Size
- 240mm
- Socket Compatibility
- AMD Ryzen AM5/AM4, Intel LGA1700/1200
- Lighting Type
- RGB
- Size
- 240mm Radiator
- Length
- 0.43 inches
- Width
- 0.19 inches
View on Amazon: Cooler Master MasterLiquid ML240L RGB V2 Affiliate link
The Cooler Master ML240L RGB V2 is a 240mm AIO liquid cooler featuring a third-generation dual-chamber pump. It includes SickleFlow fans designed for quiet airflow and customizable RGB lighting. The unit supports AMD AM4, AM5, and Intel LGA1700 sockets. It uses an industrial-grade EPDM seal to prevent leaks. This cooler suits users seeking reliable performance and aesthetic lighting within a standard 240mm radiator footprint.
Pros
- Third-generation dual-chamber pump for improved cooling efficiency
- Supports AMD AM5 and Intel LGA1700 sockets
- Customizable RGB lighting on fans
- Industrial-grade EPDM seal for leak prevention
Cons
- Only includes RGB lighting, not addressable RGB
- 240mm radiator may not fit in all cases
- No software control mentioned for lighting or fans
Good fit if
- You need support for the latest AMD AM5 or Intel LGA1700 sockets
- You prefer a standard 240mm radiator size
- You want reliable cooling with customizable RGB lighting
Skip if
- You require addressable RGB (ARGB) lighting effects
- You need a 360mm radiator for higher thermal capacity
- You want software control for fan curves or lighting
Verdict: The Cooler Master ML240L RGB V2 offers solid cooling performance with a dual-chamber pump and modern socket support. It fits well in builds that prioritize standard 240mm radiator compatibility and basic RGB aesthetics without requiring software control.
Cooler Master MasterLiquid PL240 Flux ARGB
Best for: Compact cases needing 240mm cooling
- Radiator Size
- 240mm
- Socket Compatibility
- AMD AM5/AM4 & Intel LGA1851/1700
- Lighting Type
- ARGB
- Size
- 240mm Radiator
- Dimensions
- 10.9 × 4.71 × 1.07 inches
- Weight
- 5.25 pounds
View on Amazon: Cooler Master MasterLiquid PL240 Flux ARGB Affiliate link
The Cooler Master PL240 Flux is a 240mm AIO liquid cooler designed for efficient heat dissipation. It features a dual chamber pump with a ceramic bearing impeller to balance water flow and pressure. The included ARGB fans use inter-connecting air balance blades for stability. Its slim radiator measures 10.9 inches long and 1.07 inches high. This unit suits builders seeking a compact, budget-friendly cooling solution with visual customization.
Pros
- Dual chamber pump design for balanced flow
- Ceramic bearing impeller for efficiency
- ARGB lighting support
- Slim 1.07-inch radiator profile
Cons
- Only 240mm radiator size available
- No software control mentioned for ARGB
- Heavier at 5.25 pounds
Good fit if
- You need a low-profile 240mm radiator
- You want ARGB lighting integration
- You prefer a compact pump design
Skip if
- You require a 360mm radiator for higher heat loads
- You need dedicated software for fan control
- You prioritize lightweight components
Verdict: The Cooler Master PL240 Flux 240mm AIO offers solid cooling performance in a slim form factor. It is an ideal fit for mid-tower cases where space is limited but you still want ARGB aesthetics.
Cooler Master 240L Core 240mm ARGB AIO
Best for: LGA 1851 and AM5 builds
- Radiator Size
- 240mm
- Socket Compatibility
- AMD AM5/AM4 & Intel LGA 1851/1700
- Lighting Type
- ARGB
- Size
- 240mm Radiator
- Dimensions
- 13 × 9.4 × 5.4 inches
- Weight
- 4.41 pounds
View on Amazon: Cooler Master 240L Core 240mm ARGB AIO Affiliate link
The Cooler Master 240L Core is a 240mm AIO liquid cooler designed for modern Intel and AMD platforms. It features the Gen S dual-chamber pump and includes CryoFuze thermal paste rated for high conductivity. The unit uses two ARGB PWM fans with frosted blades for lighting dispersion. It supports LGA 1851, AM5, and AM4 sockets, making it a practical fit for current builds.
Pros
- Gen S dual-chamber pump for improved water flow and pressure
- Includes CryoFuze thermal paste with 14W/mK conductivity
- Supports LGA 1851, AM5, and AM4 sockets
- ARGB fans with frosted blade design for lighting
Cons
- Limited to ARGB lighting without RGB control
- No software control mentioned for fan curves
- 240mm radiator may not fit all cases
Good fit if
- You need support for LGA 1851 processors
- You want a 240mm radiator for your case
- You prefer ARGB lighting for your build
Skip if
- You require RGB lighting control
- You have a case that only fits 120mm radiators
- You need software fan curve adjustment
Verdict: Cooler Master 240L Core AIO is a solid choice for users building on LGA 1851 or AM5 platforms who want reliable cooling with ARGB aesthetics.
Specifications side by side
| Spec | Cooler Master MasterLiquid ML240L RGB V2 | Cooler Master MasterLiquid PL240 Flux ARGB | Cooler Master 240L Core 240mm ARGB AIO |
|---|---|---|---|
| Radiator Size | 240mm | 240mm | 240mm |
| Socket Compatibility | AMD Ryzen AM5/AM4, Intel LGA1700/1200 | AMD AM5/AM4 & Intel LGA1851/1700 | AMD AM5/AM4 & Intel LGA 1851/1700 |
| Lighting Type | RGB | ARGB | ARGB |
| Lighting | ARGB | ARGB | ARGB |
| Size | 240mm Radiator | 240mm Radiator | 240mm Radiator |
| Length | 0.43 inches | not stated | not stated |
| Width | 0.19 inches | not stated | not stated |
| Weight | 2.95 pounds | 5.25 pounds | 4.41 pounds |
| Dimensions | not stated | 10.9 × 4.71 × 1.07 inches | 13 × 9.4 × 5.4 inches |
| Color | ML240L RGB V2 | PL240 FLUX | Black |
| Model | MLW-D24M-A18PC-R2 | MLY-D24M-A23PZ-R1 | MLW-D24M-A18PZ-R1 |
How to choose the right AIO
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Check Socket Support
Verify that the cooler includes mounts for your specific CPU socket. The ML240L RGB V2 supports AM5 and LGA1700, making it versatile for recent platforms. If you are building with LGA1851, you must choose the 240L Core, as it adds support for this newer standard. Using a cooler without the correct bracket can lead to installation issues or poor thermal contact. Always match the listed compatibility to your motherboard before purchasing.
-
Match Radiator Size
Ensure your case has enough space to mount the radiator. All three models here use a 240mm radiator, which is a standard size for many mid-tower cases. You need to check your case specifications to confirm it supports 240mm radiators in your preferred position. The PL240 Flux offers a slim profile, which might fit better in tighter spaces. Measuring your available clearance prevents fitment problems during assembly.
-
Consider ARGB Lighting
Decide if you want addressable RGB lighting for your build. All three Cooler Master models feature ARGB, allowing for synchronized color effects. This lighting connects to your motherboard headers for control. If you prefer a clean, no-light look, these models might not suit your aesthetic. The ML240L RGB V2 and PL240 Flux both provide this visual feature. Check your motherboard for an ARGB header if you plan to use this feature.
-
Evaluate Pump Design
Look at the pump technology for performance and reliability. The ML240L RGB V2 uses a dual-chamber pump design. This specific engineering choice can impact noise levels and cooling efficiency. Other models in this list do not specify this pump type in the data. A dual-chamber design often aims for better flow and lower vibration. Understanding the pump mechanism helps you predict long-term reliability and acoustic performance in your case.
-
Check Weight and Mounting
Consider the weight of the cooler when mounting it to your motherboard. The PL240 Flux weighs 5.25 pounds, which is heavier than the ML240L RGB V2 at 2.95 pounds. A heavier AIO puts more stress on the motherboard socket and bracket. Ensure your motherboard is sturdy enough to support the weight. The 240L Core weighs 4.41 pounds, falling in between. Proper mounting hardware is essential to prevent sagging or damage over time.
Frequently asked questions
Which Cooler Master AIO supports the newest LGA 1851 socket?
The Cooler Master 240L Core is the only model on this list that supports LGA 1851. It also covers AM4, AM5, and LGA 1851 sockets. This makes it the essential choice for users building on the latest Intel platform. The other two models lack this specific compatibility.
Does the ML240L RGB V2 have software control?
The published specifications for the ML240L RGB V2 do not mention software control or an included controller. It features ARGB lighting but relies on motherboard headers for synchronization. You will need to manage lighting effects through your motherboard's software suite rather than a dedicated Cooler Master application.
What is the difference between the ML240L and PL240 Flux?
The ML240L RGB V2 uses a dual-chamber pump and fits standard 240mm builds. The PL240 Flux is designed for compact cases with a slim form factor. The Flux model weighs more at 5.25 pounds compared to the ML240L's 2.95 pounds. Both use ARGB lighting but target different case sizes.
Can I use the 240L Core for AM5 processors?
Yes, the 240L Core supports AM5 sockets. It is explicitly listed as the best pick for LGA 1851 and AM5 builds. It includes mounts for AM4, AM5, and LGA 1851. This ensures compatibility with both AMD Ryzen 7000 and 9000 series CPUs.
How heavy is the PL240 Flux compared to the ML240L?
The PL240 Flux weighs 5.25 pounds, while the ML240L RGB V2 weighs 2.95 pounds. The Flux model is significantly heavier due to its different construction. This weight difference reflects its design for specific mounting scenarios. You should account for this mass when installing it in your case.
Do these coolers require a separate RGB controller?
The specifications list ARGB lighting for all three models but do not mention an included RGB controller. You likely need to connect the ARGB cables to your motherboard headers. The data does not confirm the inclusion of any hub or controller for managing the lighting effects.