Hardware Spec Index

Caldera CL-3908 Ultra Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL3908-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index1,276 (CPU Coolers scale)
Category rank#41,531
Street price$49
Power3 W
Performance per dollar26.04
Released2025

Specifications

BrandCaldera
ModelCaldera CL-3908 Ultra
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height156 mm
Fans1× 120 mm PWM, up to 1,800 RPM
Rated cooling180 W (manufacturer rating)
Noise23 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-3908 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/8205017 (accessed 2026-10-20).