Hardware Spec Index

Caldera CL-6421 Pro 360mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL6421-PRO · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index2,090 (CPU Coolers scale)
Category rank#47,808
Street price$169
Power15 W
Performance per dollar12.37
Released2026

Specifications

BrandCaldera
ModelCaldera CL-6421 Pro
TypeAll-in-one liquid cooler
Radiator360 mm, aluminum, 38 mm thick
Fans3× 120 mm, up to 1,900 RPM
Pump2,800 RPM
Rated cooling300 W (manufacturer rating)
Noise24 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

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Cite this page: Hardware Spec Index, “Caldera CL-6421 Pro 360mm AIO Liquid CPU Cooler”, https://vextor7.com/item/85969587 (accessed 2026-10-23).