Hardware Spec Index

Caldera CL-2421 Ultra Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL2421-ULTRA · Released 2025 · Updated 2026-10-27

Key facts

Benchmark index1,692 (CPU Coolers scale)
Category rank#9,528
Street price$89
Power6 W
Performance per dollar19.01
Released2025

Specifications

BrandCaldera
ModelCaldera CL-2421 Ultra
TypeDual tower air cooler
Heat pipes7× 6 mm copper
Height163 mm
Fans2× 120 mm PWM, up to 2,000 RPM
Rated cooling260 W (manufacturer rating)
Noise25 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-2421 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/96839827 (accessed 2026-10-27).