Hardware Spec Index

Caldera CL-4391 Prime 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4391-PRIME · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,362 (CPU Coolers scale)
Category rank#15,363
Street price$69
Power12 W
Performance per dollar19.74
Released2025

Specifications

BrandCaldera
ModelCaldera CL-4391 Prime
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,800 RPM
Pump3,000 RPM
Rated cooling250 W (manufacturer rating)
Noise36 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-4391 Prime 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4063232 (accessed 2026-10-19).