Hardware Spec Index

Caldera CL-6403 Ultra Low profile Air CPU Cooler

CPU Coolers · Caldera · SKU CL6403-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index533 (CPU Coolers scale)
Category rank#41,587
Street price$19
Power3 W
Performance per dollar28.05
Released2021

Specifications

BrandCaldera
ModelCaldera CL-6403 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)
Noise33 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-6403 Ultra Low profile Air CPU Cooler”, https://vextor7.com/item/46976840 (accessed 2026-10-22).