Hardware Spec Index

Caldera CL-4221 Ultra Low profile Air CPU Cooler

CPU Coolers · Caldera · SKU CL4221-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index846 (CPU Coolers scale)
Category rank#12,202
Street price$29
Power3 W
Performance per dollar29.17
Released2019

Specifications

BrandCaldera
ModelCaldera CL-4221 Ultra
TypeLow profile air cooler
Heat pipes4× 6 mm copper
Height50 mm
Fans1× 92 mm PWM, up to 2,200 RPM
Rated cooling95 W (manufacturer rating)
Noise26 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-4221 Ultra Low profile Air CPU Cooler”, https://vextor7.com/item/11201686 (accessed 2026-10-20).