Hardware Spec Index

Caldera CL-3621 Ultra Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL3621-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index2,028 (CPU Coolers scale)
Category rank#3,005
Street price$159
Power6 W
Performance per dollar12.75
Released2026

Specifications

BrandCaldera
ModelCaldera CL-3621 Ultra
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height165 mm
Fans2× 120 mm PWM, up to 2,100 RPM
Rated cooling280 W (manufacturer rating)
Noise33 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-3621 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/402143 (accessed 2026-10-20).