Hardware Spec Index

Caldera CL-2439 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL2439-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index2,336 (CPU Coolers scale)
Category rank#4,097
Street price$179
Power17 W
Performance per dollar13.05
Released2025

Specifications

BrandCaldera
ModelCaldera CL-2439 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,000 RPM
Pump3,200 RPM
Rated cooling330 W (manufacturer rating)
Noise31 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-2439 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/91664026 (accessed 2026-10-23).