Hardware Spec Index

Caldera CL-3991 Pro Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL3991-PRO · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index1,705 (CPU Coolers scale)
Category rank#18,233
Street price$99
Power6 W
Performance per dollar17.22
Released2026

Specifications

BrandCaldera
ModelCaldera CL-3991 Pro
TypeDual tower air cooler
Heat pipes7× 6 mm copper
Height165 mm
Fans2× 120 mm PWM, up to 1,700 RPM
Rated cooling260 W (manufacturer rating)
Noise24 dBA (max)
RAM clearanceOffset fin stack, 45 mm
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-3991 Pro Dual tower Air CPU Cooler”, https://vextor7.com/item/4516062 (accessed 2026-10-20).