Hardware Spec Index

Caldera CL-5221 Core 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL5221-CORE · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index2,072 (CPU Coolers scale)
Category rank#40,883
Street price$119
Power17 W
Performance per dollar17.41
Released2020

Specifications

BrandCaldera
ModelCaldera CL-5221 Core
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,500 RPM
Pump3,300 RPM
Rated cooling330 W (manufacturer rating)
Noise29 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-9199 XT 240mm AIO Liquid CPU Cooler1,214$49Compare
Teralux CL-1839 Prime Single tower Air CPU Cooler1,509$69Compare
Brontix CL-5253 SE 280mm AIO Liquid CPU Cooler1,619$79Compare
Teralux CL-2947 Pro 420mm AIO Liquid CPU Cooler2,136$159Compare
Brontix CL-9989 Prime 240mm AIO Liquid CPU Cooler599$19Compare
Caldera CL-7963 Prime 240mm AIO Liquid CPU Cooler805$19Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-5221 Core 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/53476132 (accessed 2026-10-22).