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A 240mm all-in-one liquid cooler gives strong CPU cooling in a compact radiator, and case fit and socket support matter.
This guide covers 6 240mm AIO liquid coolers sold on Amazon. It is built from the product listings, not our own testing, so confirm the details that matter on each product page. Prices were as listed on Amazon.com on October 31, 2026 and change often.
By the Reviewstook Editorial Team. Last updated: October 31, 2026.
Quick Picks
| Product | Key points from the listing | Approx. price |
|---|---|---|
| Thermalright Aqua Elite 240 V3 Water Cooling CPU Cooler | See the product page for details | $44.9 |
| CORSAIR NAUTILUS 240 RS ARGB Low-Noise Liquid CPU Cooler | See the product page for details | $79.99 |
| NZXT Kraken Plus 240 RGB | RGB lighting | $89.99 |
| Cooler Master Elite Liquid 240 AIO Liquid CPU Cooler | See the product page for details | $39.94 |
| Antec Ultra 240 ARGB Liquid CPU Cooler | See the product page for details | $36.99 |
| MSI MAG Coreliquid A13 240 AIO ARGB CPU Liquid | See the product page for details | $49.95 |
Our Picks
1. Thermalright Aqua Elite 240 V3 Water Cooling CPU Cooler
The listing gives few details beyond the product name. It showed at about $44.9 on Amazon.com when we checked on October 31, 2026; prices change.
Good for: buyers who want a low price. Strengths: a listing with limited detail, so check the product page. Weaknesses: a lesser-known brand, so check warranty and support. Skip it if you need a feature the listing does not mention.
2. CORSAIR NAUTILUS 240 RS ARGB Low-Noise Liquid CPU Cooler
The listing gives few details beyond the product name. It showed at about $79.99 on Amazon.com when we checked on October 31, 2026; prices change.
Good for: buyers who want a premium option from this group. Strengths: a listing with limited detail, so check the product page. Weaknesses: a higher price than most picks in this guide. Skip it if you want the lowest price.
3. NZXT Kraken Plus 240 RGB
The listing highlights RGB lighting. It showed at about $89.99 on Amazon.com when we checked on October 31, 2026; prices change.
Good for: buyers who want a premium option from this group. Strengths: RGB lighting. Weaknesses: a lesser-known brand, so check warranty and support. Skip it if you want the lowest price.
4. Cooler Master Elite Liquid 240 AIO Liquid CPU Cooler
The listing gives few details beyond the product name. It showed at about $39.94 on Amazon.com when we checked on October 31, 2026; prices change.
Good for: buyers who want a low price. Strengths: a listing with limited detail, so check the product page. Weaknesses: a lesser-known brand, so check warranty and support. Skip it if you need a feature the listing does not mention.
5. Antec Ultra 240 ARGB Liquid CPU Cooler
The listing gives few details beyond the product name. It showed at about $36.99 on Amazon.com when we checked on October 31, 2026; prices change.
Good for: buyers who want a low price. Strengths: a listing with limited detail, so check the product page. Weaknesses: a lesser-known brand, so check warranty and support. Skip it if you need a feature the listing does not mention.
6. MSI MAG Coreliquid A13 240 AIO ARGB CPU Liquid
The listing gives few details beyond the product name. It showed at about $49.95 on Amazon.com when we checked on October 31, 2026; prices change.
Good for: buyers who want a low price. Strengths: a listing with limited detail, so check the product page. Weaknesses: a lesser-known brand, so check warranty and support. Skip it if you need a feature the listing does not mention.
How to Choose
Radiator fit
Check your case supports a 240mm radiator at the front or top.
Pump and sockets
Confirm socket support for your CPU, and pump noise and warranty.
Price and brand
In this guide prices run from about $36.99 to $89.99. Lesser-known brands can be good value, but check warranty terms, return policy and recent reviews before you buy, and remember that listing titles are written by the seller.
How We Chose These Products
We searched Amazon for 240mm AIO liquid coolers, kept results with a full product name, a visible price and a reasonable rating, and limited the list to one product per brand so that the choices differ. We did not test the products, and we skip results that show only a brand name. See how we pick products.
Common Mistakes to Avoid
- Choosing on the lowest price without reading what is included.
- Ignoring compatibility with your exact device or setup.
- Trusting performance claims in listing titles without checking reviews.
- Skipping the return window and warranty details.
Frequently Asked Questions
Are AIO coolers better than air coolers?
They cool strongly in compact builds, though good air coolers are simpler and quieter.
Which is the cheapest pick here?
In the listings we checked, the lowest price was about $36.99 for the Antec Ultra 240 ARGB Liquid CPU Cooler. Prices change, so confirm on Amazon.
Is this guide based on testing?
No. It is based on Amazon listings and manufacturer information.
Bottom Line
For the lowest price in this group, look at the Antec Ultra 240 ARGB Liquid CPU Cooler. For the most premium option, look at the NZXT Kraken Plus 240 RGB. Everything in between depends on the features you will actually use, so compare the details on the product pages.
