240mm AIO Liquid CPU Coolers
A 240mm AIO liquid cooler gives your CPU efficient, quiet cooling in a compact radiator form factor. With a 240mm radiator and two 120mm fans, a 240mm AIO cooler moves heat away from your processor quickly, making it a strong choice for mid-range to high-performance builds where airflow matters but case space is limited.
Why Choose a 240mm AIO Cooler?
AIO (all-in-one) liquid coolers combine a pump, cold plate, tubing, and radiator into a single, sealed unit — no custom loop to fill or maintain. A 240mm AIO liquid cooler sits between compact 120mm single-fan options and larger 280mm or 360mm radiators, giving you a practical balance of cooling capacity and case compatibility. It's a reliable fit for mainstream gaming CPUs, productivity workloads, and builds where you want quieter operation compared to tower air coolers.
Before you select a 240mm AIO cooler, consider a few key factors:
- Radiator clearance: Check your case's supported radiator sizes before purchasing. Most mid-tower and full-tower cases accommodate a 240mm radiator in the top, front, or rear positions.
- Socket compatibility: Confirm your CPU socket is supported. Modern AIOs typically cover current AMD AM4 and AM5 sockets as well as Intel LGA platforms, but always verify the specific model's compatibility list.
- Fan and pump control: PWM fan support lets you tune noise and cooling performance through your motherboard or dedicated software.
- Lighting and aesthetics: If RGB is part of your build, look for ARGB fan headers and a pump head that complements your setup's look.
- LCD display: Some 240mm AIO models feature a display on the pump head, letting you monitor CPU temperature or show custom graphics without opening additional software.
Common Use Cases for 240mm AIO Liquid Coolers
A 240mm AIO cooler suits a wide range of builds. Gamers running mid-range processors get consistent temps during extended sessions. Creators handling video exports, 3D renders, or streaming benefit from sustained thermal headroom. Compact builds that can't fit a 360mm radiator use a 240mm AIO as an efficient alternative that still outperforms many air coolers.
Integrate With Your Full Setup
Pairing a 240mm AIO with CORSAIR iCUE software unlocks fan curve customisation, real-time temperature monitoring, and unified RGB lighting control across compatible components. Browse our full range to find the 240mm AIO liquid cooler that fits your build, your budget, and your performance goals.