Hardware Spec Index

Caldera CL-3981 Ultra Low profile Air CPU Cooler

CPU Coolers · Caldera · SKU CL3981-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index733 (CPU Coolers scale)
Category rank#43,916
Street price$19
Power3 W
Performance per dollar38.58
Released2026

Specifications

BrandCaldera
ModelCaldera CL-3981 Ultra
TypeLow profile air cooler
Heat pipes4× 6 mm copper
Height47 mm
Fans1× 92 mm PWM, up to 1,500 RPM
Rated cooling95 W (manufacturer rating)
Noise27 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-3981 Ultra Low profile Air CPU Cooler”, https://vextor7.com/item/95964630 (accessed 2026-10-21).