240 mm radiators are heat exchangers designed for PC liquid cooling loops that fit two 120 mm fans. These components vary by thickness, fin density and construction material, and are chosen when users need improved CPU or GPU cooling compared to air coolers or single-fan solutions. Typical use includes compact mid-tower and full-tower systems where a dual-fan radiator balances cooling performance and installation space. Models on this page include standard, slim and high-flow variants from multiple manufacturers, suitable for both custom loops and all-in-one (AIO) liquid coolers. Buyers typically compare radiator length, mounting compatibility and cooling capacity to match case layout and fan selection.
Use cases of 240 mm radiators
- CPU cooling in mid-tower systems where two 120 mm fans can be mounted together.
- GPU or hybrid cooling solutions in custom loops that require moderate radiator surface area.
- Upgrading AIO coolers to improve thermals without moving to larger 360 mm solutions.
- Small workstations or compact gaming PCs that need effective cooling within limited space.
- Overclocking scenarios where additional radiator surface area helps maintain stable temperatures.
Types of 240 mm radiators
- Standard thickness radiators — balanced fin density and airflow for general use.
- Slim radiators — reduced thickness for tight case clearance or push-only fan configurations.
- Thick/high-performance radiators — increased cooling area and fin density for higher thermal loads.
- Single-pass vs. dual-pass designs — different internal flow paths affecting cooling efficiency and resistance.
- Material variations — copper, brass and aluminum cores or mixed constructions influencing heat transfer and weight.
Key features to consider
- Dimensions and mounting holes — ensure compatibility with case fan positions and radiator brackets.
- Thickness and fin-per-inch (FPI) — higher FPI can increase cooling but may need stronger airflow.
- Port locations and thread sizes — check inlet/outlet positions and G1/4" or other fittings for loop integration.
- Material and construction — copper/brass typically offer better thermal conductivity than plain aluminum.
- Airflow requirements — pair the radiator with appropriate fans (push, pull, or push-pull) for optimal performance.
- Noise considerations — thicker radiators may need higher fan RPMs; balance cooling and acoustic levels.
How to choose a 240 mm radiator
- Measure available space in the case for radiator thickness and fan placement before buying.
- Match port thread type and location to your fittings and tubing plan to avoid rework.
- Decide based on thermal needs: slim radiators for space-limited builds, thicker models for higher heat loads.
- Consider the fans you will use—high static-pressure fans favor high-FPI radiators; low-RPM fans suit low-FPI models.
- Check manufacturer specifications for flow resistance to ensure pump compatibility in custom loops.
- Review weight and mounting hardware to confirm safe installation and case support.
Which cpu coolers & pc cooling systems are the most popular and affordable in 2026?
The full list of popular models at affordable prices is available on this page. In 2026, the following models show high demand and an excellent price-to-quality ratio:
Why is it worth buying cpu coolers & pc cooling systems at AiO.lv?
At the AiO.lv online store, you can place an order at a great price with delivery across Latvia — to Riga, Daugavpils, Liepaja, Jurmala, Ventspils, and other cities, as well as throughout Europe. We offer products from leading manufacturers: ANTEC, ASROCK, ADATA, CHIEFTEC, CORSAIR, Dell, EUROCASE, HP, Lenovo, MODECOM, TITAN, ZALMAN, Asus, Cooler Master, acutake, DIGITUS, GIGABYTE, MSI, OEM, Supermicro. When you shop with us, you get:
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FAQ
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You can buy cheaper at the AiO.lv online store. We offer competitive prices and regular discounts, so you always have the chance to find a great deal.
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