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:
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Sunday, Jul 26
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Model: LFIII Pro 240 nero
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.
Description
Quieter and more powerful at low speeds, with more power reserves under load – for maximum cooling performance without compromise. Optimized contact pressure distribution for longer CPU lifespan and more efficient heat transfer. Pre-installed, pre-wired fans and animated instructions for straightforward installation. Improved heat dissipation and a larger fluid volume reduce heat buildup and allow for more efficient handling of temperature spikes. Please note that the Liquid Freezer requires at least 63 mm of free space for installation. Decentralized Mounting Moves the cold plate to the CPU hotspot, ensuring more efficient heat transfer. Two Control Modes Control the pump, VRM, and radiator fans individually or via a PWM signal with an all-in-one cable. 60 mm Fan in CPU block Reduces the temperature of the voltage converters and ensures stable performance. Fan cables integrated into the sleeving simplify installation and reduce the necessary cabling to a minimum. The Liquid Freezer III Pro is a closed, maintenance-free system. No liquid refills are required or planned. Apply MX-6 in a cross pattern – the water pump's cold plate will distribute the paste evenly. Reinforced EPDM hose with braided braid for maximum durability. LF3 Pro 240 (black) LF3 Pro 240 A-RGB (black) LF3 Pro 240 A-RGB (white) LF3 Pro 360 Black LF3 Pro 360 A-RGB Black LF3 Pro 360 A-RGB White
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
Warranty Description: 6 years
Manufacturer: ARCTIC
Number of Items: 1
Unit Count: 1.0 Count
Included Components: ARCTIC Liquid Freezer III Pro 240 (black)
Item Weight: 1675 Grams
Model: LFIII Pro 240 nero
Part Number: ACFRE00178A
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Jul 26
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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Top Amazon Reviews
Model: LFIII Pro 240 nero
Been building and using PC`s longer than most of the readers out there have alive. I have always used air coolers and again my latest build was with an air cooler. It did a great job at keeping a 9950x3d cool, but with some loading doing workstation task, the cpu temp started creeping up. My retired threadripper had air cooling, but it never suffered from heat creep during work. So, I did some research on AIO`s and particular the 240mm size because that's all I could fit in case. Saw the reviews for the Arctic coolers and I liked the design and the fact that the only difference with each model was the radiator and fan size or count. The price was also a plus. So here goes. Installation for the ASUS Crosshair X870E Hero had a problem right off the bat which were identified in the compatibility chart on Arctic`s website. Solution 1 was a new NVMe M.2 heatsink which they would provide for free with motherboard proof of purchase or 2, turn pump assembly 180 degrees. For now, I installed it 180 degrees like they recommended. Next install the AMD brackets, thermal paste which was MX-7 from the kit, and the PIA procedure of trying to bend leaf spring retainer enough the get the unit secured to the motherboard. So now it's done and I used the 3-plug cable assembly and hooked everything up per the recommendation from Arctic tech support. Make sure you install cable assembly to pump head before stating pump install. Went into Armory Crate and then tuned the fans. After running the system for a 1/2 hour at moderate load to seat the contact plate thermal paste to cpu surface, I performed another fan tuning. For a small 240mm cooler I am impressed with the little bugger. In reviews for this cpu reviewers say 280mm for smallest, 360mm cooler optimum for the 9950x3d for best cooling. From what I am seeing 75c under load is a pretty good result. My air cooler was good at 80c but was showing some temp creep. I also like that at high loads; this thing was actually not too noisy. This instructions and videos on Arctic`s website were excellent and helped a lot during install and setup. Customer tech support replied overnight which was impressive. So only issue I had was the install position of the pump head. Make sure before you buy this is to go to Arctic website and review the installation information and verify the pump head will mount without any conflicts with your motherboard. My ASUS M.2 heatsink is big and tall. This caused the issue. Arctic had the solution in their great install information so go there first. So, for now I am sold on this cooler. Time will tell how I feel. The other thing to make sure of now is to keep an eye on the complete system temps in case you need to add or remove or even change the fan size for your case cooling. Systems temps will change when you go from air cooling to aio cooling. So, I provided a pic so you can see how little room I have for cooler and my installation in my case. The reason for a 240mm rad system is my PC has 5.25" drives and front usb headers. If I didn't have those, I would have installed the 360mm version. My case is a Silverstone SETA D1. Update 05_15_26 So, about a week later and now the MX-7 thermal paste has set and broke in, my temps are lower yet. Been running Cinebench r23 with the multitask test and this cooler keeps the 9950x3d sitting right at 65c. I am not into overclocking mainly because of why. I just spent a butt load on a new pc and really don`t feel like frying the cpu. Only setting different from default are I set memory to EXPO2 and PBO is still in auto. Tried ASUS AI overclocking and the whole pc heated up like heating pad. Turned that off and back to nice and cool and stable. That ASUS AI Overclocking needs a little work imo. Update 05/16/27 So, I have noticed the M2.1 temps are staying really low even under high workloads. My M2.1 is a Samsung 990 EVO which is running at PCIe 4 speed. The VRM AIO cooler fan instead of blowing air to the VRM heatsinks is now blowing air on the huge M2.1 heatsink. Fan is keeping the NVMe drive temp low even under load. Something that turned out to be a slight issue has huge benefits in a different way. So, if you have to mount it 180 opposite as designed, well guess what, you're going to really cool the M2 drive as a result of this issue. My VRM is still running cooling because ASUS design is spot on. So will I ever try to make this AIO mount the way it is designed to be. Hell no, this 180-degree mount has a big benefit. Update 06/13/26 Still sold on performance. So, after a few months, many installations require mounting of the cold plate in the 180-degree opposite position from standard install on a lot of AM5 X870E motherboards that use a large primary M.2 heatsink just south of the CPU. My install with the cooler mounted in the 180-degree position, has the VRM fan blowing air on the M.2 heatsink. It now would in theory pull air through the VRM heatsink. Is this an issue, I don`t think so since everything is running cool. Biggest observation is how cool the M.2 NVMe drive is staying. With the extra airflow plus what the case fans provide results in M.2 temps never getting above mid 50c ever. I do not have any elevated temps with my VRM per the Amory Crate system temp readings. Arctic did send one of their M.2 NVMe heatsinks, but the install on my Crosshair X870E Hero did not work. Back to ASUS stock heatsink. So Arctic, you have your work cut out for you with the design so that the cold plate can be mounted on any motherboard without deviating from the intended install because of M.2 heatsink interference. For me, my install works great, but the VRM fan is not really cooling the VRM but instead a little more cooling to the M.2 heatsink instead.
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Reviewed in the United States on April 24, 2026 by Ordinary Joe Blow
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
⭐⭐⭐⭐⭐ The Arctic Liquid Freezer has been fantastic. Installation was easier than I expected, and the cooling performance is excellent. My CPU temperatures dropped significantly compared to my previous cooler, even during gaming and heavier workloads. The build quality feels solid, the fans are quiet, and the radiator performs exactly as advertised. I also appreciate that Arctic focuses on performance without adding unnecessary gimmicks. Overall, this is one of the best value AIO coolers available. If you’re looking for strong cooling performance, low noise, and reliable operation, I highly recommend the Arctic Liquid Freezer.
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Reviewed in the United States on June 1, 2026 by Thecrocketts
Model: LFIII Pro 240 nero
Very simple install only took me about 15 minutes since on the box there is a QR code that has a YouTube video wi the instructions on how to install. Only negative thing I would say is the box that was shipped to me looked all beat up but the product was 100% okay. My cooling has most definitely went down my cpu runs way cooler. If anything I did buy separate thermal paste since I didn’t like the thermal paste that came with the box but thermal paste is included
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Reviewed in the United States on June 6, 2026 by Sally
Model: LFIII Pro 240 nero
With PC part prices going through crazy, I decided to upgrade my CPU from an i5 9600K to an i9 9900K. My old Corsair H100i V2 was not up to the challenge of cooking the i9, and my Fractal Arc Midi had provisions for 240mm rads only. After research, I decided on the Arctic Liquid Freezer III Pro 240mm. I could not be happier with this cooler. Fortunately, my case had room for the thicker radiator. At idle, my i9 stays between 29 and 31C. Running Prime95, it never got above 62C and didn’t thermal throttle at all. I did have to get an extra kit to mount the cooler to my 1151 motherboard. With that kit, the cooler installed easily. The pump runs quietly. From now on, I am likely to only buy Artic AIOs. - this cooler is that good.
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Reviewed in the United States on July 10, 2026 by Jeffrey Mazzoni
Model: LFIII Pro 240 nero
Right after installation: I'm super happy. Ryzen 7 5800x3D is steady at 70-75 during Cyberpunk2077 Path Tracing, and Rise of The Ronin. Compatible with AM4. No RGB lighting, and I'm okay with that. The installation youtube video was mid, but helpful. I did not bother to search for the online instructions through the provided QR code. Mounting was easy. Some reviews report not being able to thread the screws. I experienced this concern, but it was super easy to overcome. 1. Un-screw the attached Mounting screws until they are flush with the heat-block. 2. Slightly loosen all screws connecting the Mounting clips to the motherboard. 3. Pull both brackets away from cpu. 4. Place heat block and turns screws just enough to catch on each side. 5. Secure bracket/motherboard screws 6. Then tighten the heat block screws going back and forth between them. I will try to provide an update regarding reliability, when it makes sense to do so.
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Reviewed in the United States on July 10, 2026 by Alexxis
Model: LFIII Pro 240 nero
I honestly do no understand how this AIO has such positive reviews, this thing is a nightmare. I have built several PCs, and this is the first cooler I've ever worked with, that I could not figure out. It literally will not evenly screw onto the CPU. If you get one side screwed in, the other side will not make contact with the thread. Spent 3 hours, my entire night gone, trying to figure out how to get this thing to screw in. The screws that are installed into the block, are way too short. Whoever designed this, should be in jail. I've never had this issue, mounting an AIO, and I will absolutely, never, buy an Artic product, ever again.
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Reviewed in the United States on June 27, 2026 by B
Model: LFIII Pro 240 nero
So I bought this to replace my cooler master AIO which only had one fan. I heard mixed reviews about this one and when I installed it into my computer, which was super easy by the way (Intel 1700), my temps were super high. Turns out it was no fault to this cooler. I had to turn both fans around because the way my case was set up, it was trapping heat in there. I have this front mounted behind my two front fans and the remaining fans in the case are exhaust fans. That being said, my temps are super low now, about mid 50s during RDR2 without the fans kicking up, it is very quiet now and I have no complaints. The box it shipped in was a little rough but everything was new and worked so all is good.
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Reviewed in the United States on July 12, 2026 by Aaron