Hardware Spec Index

Caldera CL-6686 XT 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL6686-XT · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index2,437 (CPU Coolers scale)
Category rank#23,918
Street price$199
Power17 W
Performance per dollar12.25
Released2020

Specifications

BrandCaldera
ModelCaldera CL-6686 XT
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 2,400 RPM
Pump3,200 RPM
Rated cooling330 W (manufacturer rating)
Noise25 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

Related guides

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

Similar CPU Coolers

ModelBenchmarkPriceCompare
Teralux CL-8462 Max Single tower Air CPU Cooler1,167$49Compare
Caldera CL-9801 Edge Single tower Air CPU Cooler1,205$49Compare
Caldera CL-2418 Core Single tower Air CPU Cooler622$19Compare
Brontix CL-5247 Plus 280mm AIO Liquid CPU Cooler1,389$59Compare
Teralux CL-9241 Max 240mm AIO Liquid CPU Cooler937$29Compare
Teralux CL-6325 SE Single tower Air CPU Cooler1,777$109Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-6686 XT 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/16638950 (accessed 2026-10-25).