Hardware Spec Index

Caldera CL-5666 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL5666-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index588 (CPU Coolers scale)
Category rank#12,966
Street price$19
Power12 W
Performance per dollar30.95
Released2024

Specifications

BrandCaldera
ModelCaldera CL-5666 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 2,300 RPM
Pump3,400 RPM
Rated cooling250 W (manufacturer rating)
Noise29 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

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Cite this page: Hardware Spec Index, “Caldera CL-5666 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/509784 (accessed 2026-10-19).