Hardware Spec Index

Caldera CL-3842 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL3842-ULTRA · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index2,103 (CPU Coolers scale)
Category rank#27,944
Street price$139
Power17 W
Performance per dollar15.13
Released2026

Specifications

BrandCaldera
ModelCaldera CL-3842 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,600 RPM
Pump3,300 RPM
Rated cooling330 W (manufacturer rating)
Noise33 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-3842 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/14833232 (accessed 2026-10-19).