Hardware Spec Index

Caldera CL-6821 Ti 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL6821-TI · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index2,363 (CPU Coolers scale)
Category rank#25,611
Street price$199
Power17 W
Performance per dollar11.87
Released2020

Specifications

BrandCaldera
ModelCaldera CL-6821 Ti
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 2,400 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise36 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
Teralux CL-3561 XT 240mm AIO Liquid CPU Cooler673$19Compare
Teralux CL-9474 Ultra Dual tower Air CPU Cooler1,933$109Compare
Zephyra CL-7221 SE Low profile Air CPU Cooler761$29Compare
Zephyra CL-8630 Prime 280mm AIO Liquid CPU Cooler1,791$109Compare
Caldera CL-5463 Plus 360mm AIO Liquid CPU Cooler1,326$59Compare
Teralux CL-2026 Edge Single tower Air CPU Cooler1,592$79Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-6821 Ti 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/177803 (accessed 2026-10-20).