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Cooler Master MasterLiquid LC240E RGB Close-Loop AIO CPU Liquid Cooler, 240mm Radiator, Dual Chamber RGB Pump, Dual MF120R RGB Fans, RGB Lighting for AMD Ryzen/Intel LGA1151

4.4 4.4 out of 5 stars 3,610 ratings

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240mm Radiator
LC240E RGB
Cooler

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About this item

  • Liquid cooling system: The Cooler Master LC240E delivers efficient cooing with our dual pump 120 millimeter fans; It keeps your system running effectively, even in the high load times; Air flow: 66.7 CFM; Noise level: 31.5 decibels
  • Dual chamber: Our low profile dual chamber pump delivers sizable performance leaps over last gen technology
  • 120 millimeter fans: Silent cooling at an efficient rate
  • Sleeved tubing: Reinforced FEP tubing to keeps the tube kink free and the liquid flowing to your CPU
  • RGB controller: Allows you customize colors and light effects
  • CPU socket support: Intel: LGA2066, LGA2011 v3, LGA2011, LGA1151, LGA1150, LGA1156, LGA1155, LGA1366, AMD: AM4, AM3+, AM3, AM2+, AM2, FM2+, FM2, FM1
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Cooler Master MasterLiquid LC240E RGB Close-Loop AIO CPU Liquid Cooler, 240mm Radiator, Dual Chamber RGB Pump, Dual MF120R RGB Fans, RGB Lighting for AMD Ryzen/Intel LGA1151
Cooler Master MasterLiquid LC240E RGB Close-Loop AIO CPU Liquid Cooler, 240mm Radiator, Dual Chamber RGB Pump, Dual MF120R RGB Fans, RGB Lighting for AMD Ryzen/Intel LGA1151
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Price$79.46-34% $65.98
List:$99.99
$99.99-7% $118.03
Typical:$127.00
-16% $142.12
List:$169.99
$199.99
Delivery
Get it as soon as Monday, Mar 25
Get it as soon as Sunday, Mar 24
Get it Mar 22 - 27
Get it as soon as Sunday, Mar 24
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Customer Ratings
Easy to install
4.0
4.2
4.2
4.1
4.1
4.1
Mounting system
3.9
4.3
4.3
4.2
4.2
4.2
Noise level
3.8
4.3
4.3
4.5
4.5
4.5
Value for money
4.3
4.2
4.2
Sturdiness
3.9
3.9
3.9
Sold By
Amazon.com
SCORE MIGHTY
TELeasy
Amazon.com
Amazon.com
SCORE MIGHTY
cooling method
Water
Water
Water
Water
Water
Water
power connector type
3-Pin
3-Pin
3-Pin
4-Pin
compatible devices
Desktop
Desktop
Desktop
Radiator
Radiator
Radiator
max rotational speed
1800 rpm
1800 rpm
2300 rpm
1800 rpm
1800 rpm
noise level
31.5 decibels
8 decibels
15 decibels
15 decibels
30 decibels
30 decibels
material
Aluminum
Copper
Ceramic
Ceramic

From the manufacturer


Make It Yours.

We're all about the things that make building a PC such a rewarding experience. The sense of achievement. The joy of making and creating something uniquely yours in form and function and, of course, the thrill of bringing your creation to life without melting your components.

MasterLiquid LC240E RGB

Cool, Reliable, RGB.

MLLC240E RGB is a Cooler Master's original design, with its matte-black styling, braided cabling and RGB lighting effects for a colorful entry liquid cooling. Cool in any color as the RGB options extend to both fan and water block, all with six lighting effects from which to choose. Reliability, performance, and quiet operation are ensured by its unique Dual Chamber Pump and Dual 120mm MasterFan. Whether you're building new or upgrading, it's easy to install on the latest Intel or AMD system.

  • Dual Dissipation Pump
  • Double FEP Tubing
  • RGB 120 mm Fan & Pump
  • Low-Resistance 240 mm Radiator
  • Library Quiet < 15 dBA
  • Universal Mounting Kit
  • RGB Controller and 1-to-3 RGB Splitter Cable Included

Dual Dissipation Pump

Our low-profile dual chamber pump delivers performance leaps over single-chamber pump designs.

Double FEP Tubing

FEP makes for durable yet flexible tubing, while the mesh outer sleeve creates a premium look.

Low-Resistance 240 mm Raditator

Beautifully designed to maximize cooling surface area.

Library Quiet

Built sturdy, keeping vibrations and rattle to nearly inaudible levels.

LC240E RGB ML240R Addressable-RGB
Customer Reviews
4.4 out of 5 stars
3,610
4.5 out of 5 stars
2,925
Radiator Dimensions – L x W x H 277 x 119.6 x 27 mm 277 x 119.6 x 27 mm
CPU Socket Intel LGA 2066, 2011-v3, 2011, 1366, 1156, 1155, 1151, 1150 — AMD AM4, AM3+, AM3, AM2+, AM2, FM2+, FM2, FM1 Intel LGA 2066, 2011-v3, 2011, 1366, 1156, 1155, 1151, 1150, 775 — AMD AM4, AM3+, AM3, AM2+, AM2, FM2+, FM2, FM1
LED (Fan & Pump) RGB Addressable-RGB (ARGB)
Radiator Material Aluminum Aluminum
Tubing Material Sleeved FEP Sleeved FEP
Max TDP 130 W 230 W
Fan Type 2x MasterFan MF120mm RGB 2x MasterFan MF120mm Addressable-RGB
Fan Noise Level 6–31.5 dBa 6–30 dBa
Controller Type RGB Controller ARGB Controller
Pump Chamber Dual Chamber Dual Chamber

What's in the box

  • 1 x AIO CPU Cooler
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    Technical Details

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    Additional Information

    Warranty & Support

    Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
    For warranty information about this product, please click here [PDF ]

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    Cooler Master MasterLiquid LC240E RGB Close-Loop AIO CPU Liquid Cooler, 240mm Radiator, Dual Chamber RGB Pump, Dual MF120R RGB Fans, RGB Lighting for AMD Ryzen/Intel LGA1151


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    Product guides and documents

    Product Description

    The LC240E RGB incorporates Cooler Master's Dual Chamber Pump, 120 millimeter Fan, and RGB Controller to control the lighting effects. With its matt black styling, braided cabling and RGB lighting effects, the LC240E RGB is a Cooler Master original design and enables a colorful and great performing entry into liquid cooling. Reliability, performance and quiet operation are ensured by its unique Dual Chamber Pump and twin 120mm fan design. Whether you're building new or just upgrading, it's easy to install on the latest Intel or AMD systems and 240mm radiator fits many performance PC chassis.

    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    3,610 global ratings

    Customers say

    Customers like the performance, appearance and value of the electronic component fan. They mention that it performs decently enough, looks great and is easy to install. They also appreciate the value, and cooling. However, some customers disagree on the quality, ease of installation, noise, and color.

    AI-generated from the text of customer reviews

    242 customers mention188 positive54 negative

    Customers like the cooling of the electronic component fan. They mention that it can handle a lot of heat, the cooler itself is awesome, and the fans do an okay job at removing the heat from the radiator.

    "...I checked the bios, and the CPU temp was 39* C.. That's a significant drop in temp... The price was right, and it works.. Installation was easy..." Read more

    "...It is simple, has nice hardware, quality fans, and an appealing design...." Read more

    "Still working after a few years. Keeps my pc running cool" Read more

    "...Thermals are pretty excellent. I'm currently using a Ryzen 5 3600X CPU, which can get a little toasty with the boost clock enabled...." Read more

    210 customers mention146 positive64 negative

    Customers are mixed about the ease of installation. Some mention that it was easy enough, didn't have any mounting problems, and was surprised at how well it assembled. Others say that the instructions are hard to follow and were rather tricky and flimsy. They also mention that you have to be really patient with the mounting brackets.

    "...drop in temp... The price was right, and it works.. Installation was easy enough, I suppose if I had a case that was made for such a device..." Read more

    "...Install of the cooler is relatively easy if you have experience building computers or swapping out components and your case has room to accommodate..." Read more

    "...The only complaint that I have is that you have to be really patient with the mounting brackets on AM4 because it uses the plastic ones that come..." Read more

    "...It is a simple process to install, if the bracket is already on the motherboard. Otherwise, you have to find one...." Read more

    192 customers mention143 positive49 negative

    Customers like the performance of the electronic component fan. They mention that it performs decently enough with the provided thermal paste, and works great in over-clocked scenarios.

    "...I don’t know how much that changes things. The setup works great so I like it...." Read more

    "...I was pleasantly surprised. It performed much better than I had expected it to with temps around 30-36c at idle and never over 65c under load...." Read more

    "...like to say that once installation was complete this AIO performs decently enough with the provided thermal paste that it keeps my ancient core i7..." Read more

    "...This meant the lights couldn't work. The mounting hardware for my motherboard wasn't in there and one of the bags had a slight rip in it...." Read more

    131 customers mention117 positive14 negative

    Customers like the value of the electronic component fan. They mention that it's amazing for the value, not bad for the price and performance, and one of the most cost effective AIO solutions in 240mm. Some also mention that the product is a nice entry level cooler and a good low cost cooling option.

    "...the CPU temp was 39* C.. That's a significant drop in temp... The price was right, and it works.. Installation was easy enough, I suppose if I had a..." Read more

    "...All in all, a very solid performer for the price. Up there with many of the other 240mm AIO's i've used." Read more

    "...This unit was exactly what I was looking for and the price was very good...." Read more

    "...This would make a great entry level budget cooler and after a week of torture I see no defects other than cheap workmanship from overseas - but that..." Read more

    88 customers mention74 positive14 negative

    Customers like the appearance of the electronic component fan. They mention that it's awesome looking, quiet, and cheap. The RGB looks great, and if you can find it for less than $70, then it' s a great deal.

    "...hitting temps of over 70 C. As an added bonus the RGB on this cooler looks beautiful and pairs painlessly with Asus AURA...." Read more

    "...Pros: It's pretty. You can control the lights a little.I bought this back in April...." Read more

    "...It was nice and compact and despite the stiffness of the tubes I was able to place it where I wanted in the case...." Read more

    "...Overall, it seems to be a decent CPU cooler. The LEDs also look fantastic. Installation, however, was not easy...." Read more

    219 customers mention96 positive123 negative

    Customers are mixed about the noise of the electronic component fan. Some mention that it's pretty quiet, while others say that it is loud at high pitches. They also mention that the fan often gets the whirring sound and will cause performance and audible issues in the product.

    "...through the process of returning the whole thing just because one fan is somewhat loud, especially since I already had the 2 fans that used to be..." Read more

    "...Recommend:YesPros:Far quieter than the OEM fan that came with the CPUEasy to install in a large case..." Read more

    "...shorten the lifecycle of your AIO and will cause performance & audible issues in the product...." Read more

    "...If I am hearing the pieces correctly, the fans are extremely quiet and I hear a little bit of pump noise...." Read more

    163 customers mention79 positive84 negative

    Customers are mixed about the quality of the electronic component fan. Some mention that the materials seem decent, the product is reliable, and handles it very well in stress tests. Others say that it's fairly weak, and the brackets are made of very cheap material. However, some say that the product seems to be doing its job currently and is quiet at low load.

    "...is due to a lack of support and reinforcement and the cheap plastic used in the fabrication of the pump body...." Read more

    "...it's technology is a little "past the cutting edge".. But it's a good quality case and provides plenty of room.. However, it's not made for this..." Read more

    "...need to get it all working out of the box... with that said, it's fairly weak - not very bright and I'm not a huge fan of the Cooler Master logo and..." Read more

    "...and for the hell of it i tried 1.35v, this cooler handled it very well in stress tests...." Read more

    74 customers mention44 positive30 negative

    Customers are mixed about the color of the electronic component fan. Some mention that the RGB options are solid, bright, and with plenty of options. However, others say that the rgb options for this thing suck, there's no remote color changing, and the fanboy RGB setup is laughably cheesy.

    "...I wanted a cooler that worked, and that's what I got.. Now the RGB LED's are nice.. They light up the space under my work surface, and change colors..." Read more

    "...The second issue I have is sort of a nitpick but the rgb options for this thing suck...." Read more

    "...The RGB system works, but seems to have extremely limited options. I wanted a decent, budget cooler, more than lights, so I am happy with the product." Read more

    "...The RGB works fine and comes with all the splitters you need to get it all working out of the box... with that said, it's fairly weak - not very..." Read more

    Decent, Performs well enough
    4 Stars
    Decent, Performs well enough
    The first unit I received had a busted pump that was leaking fluid into the box. I noticed it because the fluid was green and there is a plastic baggie covering the pump and the radiator separately, and the green fluid was all over the inside of the baggie that was covering the pump. I pulled it out only to take pictures and then put it right back in the box. I promptly called Amazon customer service, who immediately ordered a replacement which turned out to be fine and have no leaks. Installation was pretty straightforward. There are a few things I didn't like about the installation: First, was the fact that the provided connections did not work with my on board rgb/fan controller module so I had to use the one provided, which has no external remote and can only be changed by taking the cable management side panel off and adjusting it to your desired rgb settings. Second, was the fact that there is no way to secure the back plate so that when you install the pump block the bolts sticking through the motherboard don't move. The bolts were free to move back and forth so you either have to completely remove your motherboard and set it carefully down so the bolts can't slide back out of the back with the bracket or have your alignment perfect when you go to seat the pump block.Having said all that, I would like to say that once installation was complete this AIO performs decently enough with the provided thermal paste that it keeps my ancient core i7 950 base clock 3.033Ghz which I have overclocked to 3.7Ghz running with 26GB of RAM on an asus x58 sabertooth motherboard at a comfortable 45-53C at idle and at 100% load it hovers around 77C. So, overall, I gave this 4 stars due to the annoying parts of installation. I didn't take any stars off for the busted first unit. I can't accurately say whether the product was defective itself or it was mishandled during shipping or storage. So, I would recommend this product based on the price coupled with its satisfactory performance. If you want stellar performance out of an AIO though, I would move past this unit and spend a bit more money on something with higher performance and quality of construction, OR go all out and spend the money for a DIY custom water loop.
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    Top reviews from the United States

    Reviewed in the United States on June 11, 2020
    Size: 120mm RadiatorStyle: LC120E RGBPattern Name: CoolerVerified Purchase
    Reviewed in the United States on November 25, 2019
    Size: 240mm RadiatorStyle: LC240E RGBPattern Name: CoolerVerified Purchase
    Customer image
    5.0 out of 5 stars The Cooler is a Significant Improvement over the OEM CPU fan and easy to install
    Reviewed in the United States on November 25, 2019
    Personal Experience:
    After my wife made a comment on how loud the OEM CPU fan was for my desktop I decided it was time to get a liquid cooled replacement. I wanted something that would not only be quieter but keep my CPU cooler. Read some reviews and I was between the 120mm and 240mm radiator, I settled on the 240mm radiator because my case had the space and for the price it was a good deal. Install of the cooler is relatively easy if you have experience building computers or swapping out components and your case has room to accommodate the radiator and cooling tubes. My setup uses an AMD chipset but the cooler accommodates both AMD and Intel chipsets; the directions are easy to follow on how to install for either style. Make sure you clear cables out of your way with Zip ties and ensure that everything fits before you bolt/strap it down. If you are upgrading your existing CPU Fan/Cooler I would suggest purchasing good thermal paste remover so you can start with a clean surface. Overall it took me about 45 minutes to remove the old fan, clean off the thermal paste, layout the new Cooler setup then bolt everything down/apply new thermal paste. The lights on the cooler are a nice touch. All in all I was pleased with CPU cooler upgrade from install to performance.

    Recommend:
    Yes

    Pros:
    Far quieter than the OEM fan that came with the CPU
    Easy to install in a large case
    Came with all the mounting equipment you would need
    Lights are a nice touch to customize your setup
    Works with both AMD and Intel chip sets (AMD on my setup)

    Cons:
    Will not fit in a smaller case (did not affect me but be aware)

    Installation Suggestions:
    If you are upgrading get thermal paste remover and be generous when cleaning the CPU
    Layout everything before you tighten everything down; I had to move the radiator slightly to get everything to fit nicely
    Read the directions on which way to install the fans the first time (I have installed fans backwards before and it sucks)
    Images in this review
    Customer image
    Customer image
    Reviewed in the United States on May 6, 2020
    Size: 240mm RadiatorStyle: LC240E RGBPattern Name: CoolerVerified Purchase
    One person found this helpful
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    Top reviews from other countries

    Translate all reviews to English
    Jesús Israel Zapata Segovia
    5.0 out of 5 stars Económico y cumple su propósito.
    Reviewed in Mexico on July 16, 2020
    Size: 240mm RadiatorStyle: LC240E RGBPattern Name: CoolerVerified Purchase
    Customer image
    Jesús Israel Zapata Segovia
    5.0 out of 5 stars Económico y cumple su propósito.
    Reviewed in Mexico on July 16, 2020
    El cooler es muy fácil de instalar, si acaso tiene un sujetador de tornillos que va a la tarjeta madre algo flojos y cuando lo estás poniendo se pueden llegar a mover, pero no es algo que te tome mucho tiempo colocar bien, es cuestión de paciencia y hacerlo despacio. Las luces van conectadas a un conector molex , que sinceramente pensé que ya no se usaban más, así que tomen en cuenta eso sí su fuente de poder es muy moderna y no cuenta con ese conector, aunque también se puede dejar sin usar , y controlar la luz directamente desde la mother board. Leyendo ví reseñas sobre que es muy delicado o se puede quebrar el soporte que va en la tarjeta madre, pero sinceramente no se requiere fuerza excesiva para armar este cooler, así que no se cómo fue que se les pudo llegar a quebrar.

    En general , es algo económico, lo compre en $1512, y mi procesador i59600k nunca tiene temperaturas arriba de 45°. Por el precio siento que vale la pena, no es ruidoso como muchos dicen, realmente muy apenas escucho cuando está funcionando. Las lucen se ven geniales, y no ha presentado ninguna falla a 1 mes de su uso.

    Lo recomiendo, económico, fácil de instalar y cumple con el funcionamiento que debe hacer.
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    Corey
    5.0 out of 5 stars Worth the money
    Reviewed in the United Kingdom on April 1, 2021
    Size: 240mm RadiatorStyle: LC240E RGBPattern Name: CoolerVerified Purchase
    Customer image
    Corey
    5.0 out of 5 stars Worth the money
    Reviewed in the United Kingdom on April 1, 2021
    Really nice cooler keeps temps nice and cool fans are a little loud and the radiator came with a couple dents also only way I found of changing colours is with little remote as I could not find no software to use even the ones it says is compatible with don’t seem to work but all that a side really good cooler would give 5 star.
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    Antonio Francisco Thomaz Filho
    5.0 out of 5 stars Really good overall
    Reviewed in Canada on April 18, 2019
    Size: 240mm RadiatorStyle: LC240E RGBPattern Name: CoolerVerified Purchase
    Sam
    1.0 out of 5 stars Extremely poor quality (Mounting Piece broke off), Difficult application and Leakage issues
    Reviewed in Singapore on December 15, 2020
    Size: 120mm RadiatorStyle: LC120E RGBPattern Name: CoolerVerified Purchase
    peepeepoopoo
    3.0 out of 5 stars good looking radiator but not worth the purchase
    Reviewed in Singapore on March 16, 2020
    Size: 240mm RadiatorStyle: LC240E RGBPattern Name: CoolerVerified Purchase