Hardware Spec Index

Caldera CL-3905 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL3905-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index2,374 (CPU Coolers scale)
Category rank#20,207
Street price$169
Power17 W
Performance per dollar14.05
Released2024

Specifications

BrandCaldera
ModelCaldera CL-3905 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 2,000 RPM
Pump3,000 RPM
Rated cooling330 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

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Cite this page: Hardware Spec Index, “Caldera CL-3905 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4815319 (accessed 2026-10-26).