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Liquid Coolers, AIOs and Loop Parts

All-in-one liquid coolers, radiators, pumps, CPU blocks, fittings and fans for sealed and custom water-cooling loops. 1,190 products from $0.78 to $541.99. Alphacool, Bitspower, ASUS and more.

1,190 products from $0.78

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Radiator size, case room and socket support

An all-in-one cooler is sold by radiator length: 120, 240, 280, 360 and 420 mm are common. A bigger radiator carries more heat away, which lets fans run slower at the same temperature, but it must physically fit the front, top or rear mount of your case. Check the radiator thickness against the clearance over your memory, and the tubing length against the distance from the radiator to the processor.

Then match the socket. The listing should name the mounting brackets included, such as LGA 1700, LGA 1851, AM4 or AM5. Without the right bracket the pump block will not seat on the processor, so do not assume a cooler is universal. Also confirm that the pump head clears your memory and the top of the motherboard, and that the case has room for the radiator and its fans.

Fans, noise, lighting and loop parts

Fan slots and speed ranges tell you how loud a cooler will be. Look at the RPM range and the dB(A) figure, and prefer fans with PWM control so the board can slow them at idle. Lighting comes in RGB at 12 V and ARGB at 5 V, so check your motherboard headers before ordering lit fans or pump heads.

Builders of custom loops buy blocks, pumps, fittings and tubing separately. Fittings must match the tubing diameter and the thread on the block or radiator, and the metals in the loop should be compatible to avoid corrosion. An AIO is sealed and simple to install, while a custom loop gives flexibility and a cleaner look but needs coolant changes and occasional leak checks over time.

Questions about Liquid Coolers, AIOs and Loop Parts

Is a 240 mm or 360 mm radiator better?
A 360 mm radiator has more surface area, so it cools high-power processors more easily and quietly. A 240 mm unit suits mid-range chips and smaller cases. Check what your case can mount.
Do AIO coolers need maintenance?
Sealed AIOs need little beyond dusting the radiator and checking that fans and pump run. Custom loops need coolant changes and checks. An AIO pump that goes silent or temperatures that climb are the warning signs.
Where should I mount an AIO radiator?
Front or top mounts both work. A top mount keeps air out of the pump when the tubes sit lower than the radiator. Check the case manual for supported sizes and the room above your memory.