ARCTIC Liquid Freezer III Pro 240-240 mm AIO CPU Cooler, Water Cooling, 38 mm Radiator, PWM Pump, VRM Fan, AMD AM5/AM4, Intel LGA1851/1700 Contact Frame - Black
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Availability:
In Stock.
Arrives
Tuesday, Mar 31
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Model: LFIII Pro 240
Features
- Contact Frame for Intel LGA1851 | LGA1700: Optimized contact pressure distribution for longer CPU lifespan and better heat dissipation.
- ARCTIC's P12 Pro fan: More performance at every speed especially more powerful and quieter than the P12 at low speeds. Higher maximum speed for optimal cooling performance under high load.
- Native offset mounting for Intel and AMD: Shifting the cold plate center toward the CPU hotspot ensures more efficient heat transfer.
- Integrated VRM fan: PWM-controlled fan that lowers the temperature of the voltage converters and ensures reliable performance.
- Integrated cable management: The PWM cables of the radiator fans are integrated into the sheathing of the hoses, so that only a single visible cable is connected to the motherboard.
Product Dimensions: 10.9"L x 4.7"W x 2.6"H
Brand: ARCTIC
Power Connector Type: 4-Pin
Voltage: 12 Volts
Wattage: 3.96 watts
Cooling Method: Water
Compatible Devices: AMD, Intel
Material: Aluminium (Radiator), Copper, Micro Skived Fins (Cold Plate)
Maximum Rotational Speed: 3000 RPM
Air Flow Capacity: 77 Cubic Feet Per Minute
Power Connector Type: 4-Pin
Voltage: 12 Volts
Wattage: 3.96 watts
Cooling Method: Water
Compatible Devices: AMD, Intel
Maximum Rotational Speed: 3000 RPM
Air Flow Capacity: 77 Cubic Feet Per Minute
Item Dimensions L x W x H: 10.9"L x 4.7"W x 2.6"H
Material Type: Aluminium (Radiator), Copper, Micro Skived Fins (Cold Plate)
Brand Name: ARCTIC
UPC: 840033402897
Global Trade Identification Number: 18
Manufacturer: ARCTIC
Included Components: ARCTIC Liquid Freezer III Pro 240 (black)
Item Weight: 1675 Grams
Unit Count: 1.0 Count
Warranty Description: 6 years
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Mar 31
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Model: LFIII Pro 240 nero
I've installed quite a few cooling systems in my years but this one did give me a little bit of trouble due to the packaging not coming with instructions. The video guide skips a few steps as well but once i figured it out, it went on like a glove. I got this for a 12th gen i7 cpu LGA 1700 and while trying to install the cooling plate onto the cpu, I was trying to turn it to optimize the hoses not hitting any other components which caused the plate to be upside down. Trying to install the plate upside down when the bracket is right side up makes it impossible to screw into (good design but wish there were some instructions that stated not to attempt it). Once i got it mounted and tightened up though, i fired up the computer and it was super quiet sitting at idle. I dont even notice the fan noise unless im stressing out the system and even then, they are quiet compared to my previous cooling system. I've overlocked my cpu to its max and tracked it using AI Suite 3. It's keeps my cpu at sub 90 F at idle and under 110 F at 100% load (video compression, gaming & streaming simultaneously) which is quite impressive for the price. I was a little skeptical about the quality of this because the box arrived heavily damaged and semi opened but its really sturdy and a great size for a mid size ATX tower.
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Reviewed in the United States on January 18, 2026 by Sergio Torres
Model: LFIII Pro 240 nero
It's quiet, sturdy, and cheap. Offers the same thermal performance as the 360mm triple fan version, so save yourself some money and buy this one! Consult ARCTIC's motherboard compatibility list before you buy, and use PC Part Picker's website to determine compatibility with all your PC parts. As for installing, I recommend using the triple header wire and NOT the all-in-one so that your performance will be more optimized. Pay attention: 1. FAN cable gets plugged into the motherboard slot that says CPU_fan 2. PUMP cable goes into the motherboard slot that says PUMP. If not available, use CPU_OPT or a SYS_FAN header. 3. VRM goes into any SYS_FAN header. As for installing the unit itself, the ARCTIC youtube channel has easy to follow video guides on how to install them. However, you should know that your CPU backplate will fall out after you remove the original bracket. To make installation a lot easier, make sure you open your case's side panel so you don't have to remove the motherboard for installation. Way quieter than stock intel fan, and better performance, too. Stays quiet even when doing high-res video editing. Buy with confidence.
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Reviewed in the United States on September 25, 2025 by Levi Rodriguez
Model: LFIII Pro 240 nero
I bought this for my Intel i7 11700k that was using a traditional ThermalTake cooler. It was running so hot that the computer would shut off to protect itself. Running HWMonitor it showed that the CPU cores would frequently hit 100 degrees (C). I tried cleaning the processor and re-applying thermal compound, which made it slightly better. Once the new cooler was installed the CPU runs at about 25-30 degrees when idle and has so far peaked at 63 degrees under load. Had I not seen the before and after with my own eyes I would have a hard time believing that a cooler could have such a huge impact. Dropping 35-40 degrees is significany, so say the least. It was easy to fit inside my case and the quality of the build is excellent. One thing I will say is that the cooler has two options for power, one uses a single fan header and the other uses three for individual fan controls. Make sure you have enough fan headers for the application you prefer. Very quiet operations so far, even under load.
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Reviewed in the United States on January 19, 2026 by Anders
Model: LFIII Pro 240 nero
This is a highly reviewed and rated aio cooler. Most people get it because of that. But having ran air coolers for decades, this is my first AIO, and I have several thoughts below. First of all - you don't need a water cooler unless your CPU draws lots of power, or you run extended CPU intensive things for extended durations. A good air cooler is more than sufficient. Spend more on water only adds to money and potential failure points. I ran an air cooler for almost 16 years and the fan still held strong. So why did I go AIO? For the novelty mostly, and because I applied thermal paste poorly in my last build and had higher temperature than I expected. By comparison, the AIO kept my CPU 10C cooler than my air cooler - due a combination of better thermal paste application, and it being a brand new, undirtied cooler. Some tips on getting the most mileage out of this unit. First, fan speed above 50% is loud. I set my fan curve in my bios to keep 50% until I hit 70C, which is very unlikely with my 5700X3D. Second, this device is noticeably louder than my air cooling setup. The reason being that the air cooler has top panels to deaden the noise, while this exposes the whole case to sound. For an easier install on AMD, do not tighten down the side brackets first. You'll need to secure the cooler to them first, and the extra little leeway will make your life much easier. And there's a backplate to your motherboard that you will screw into -- do not unscrew everything at once. The backplate will fall out, requiring you to reattach it. Instead, remove just one side and attach a bracket from this kit. It'll save you a lot of time. Finally - this does cool very well. At 50% fan speed, the noise is pretty acceptable. Overall - only buy if you need the extra cooling. These things wear out, so 6 years is probably time to get another one, vs 16 years on my air cooler. But if you do want to try this out, it's a pretty good product.
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Reviewed in the United States on August 3, 2025 by AnotherUser
Model: LFIII Pro 240 nero
This took over three hours to install, then it made a Ryzen 9 5950X unusable because of alarming fan noise. I switched out the CPU to a 65 W Ryzen 7. The two radiator fans are impressive, I'm just not used to the noise when the temperature is up momentarily. After a while, I went into BIOS and changed the fan pattern as recommended by Arctic. Now the cooler is dead silent and does its job.
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Reviewed in the United States on August 7, 2025 by cimR