Hardware Spec Index

Caldera CL-6421 Edge Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL6421-EDGE · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index776 (CPU Coolers scale)
Category rank#44,890
Street price$29
Power3 W
Performance per dollar26.76
Released2019

Specifications

BrandCaldera
ModelCaldera CL-6421 Edge
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height158 mm
Fans1× 120 mm PWM, up to 2,100 RPM
Rated cooling180 W (manufacturer rating)
Noise28 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-6421 Edge Single tower Air CPU Cooler”, https://vextor7.com/item/2015254 (accessed 2026-10-19).