Hardware Spec Index

Caldera CL-4591 Pro 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4591-PRO · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index1,052 (CPU Coolers scale)
Category rank#35,332
Street price$39
Power13 W
Performance per dollar26.97
Released2020

Specifications

BrandCaldera
ModelCaldera CL-4591 Pro
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 1,900 RPM
Pump3,200 RPM
Rated cooling280 W (manufacturer rating)
Noise34 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

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Cite this page: Hardware Spec Index, “Caldera CL-4591 Pro 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/122229 (accessed 2026-10-22).