Hardware Spec Index

Caldera CL-9621 Ultra Low profile Air CPU Cooler

CPU Coolers · Caldera · SKU CL9621-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index539 (CPU Coolers scale)
Category rank#2,357
Street price$19
Power3 W
Performance per dollar28.37
Released2020

Specifications

BrandCaldera
ModelCaldera CL-9621 Ultra
TypeLow profile air cooler
Heat pipes4× 6 mm copper
Height47 mm
Fans1× 92 mm PWM, up to 1,500 RPM
Rated cooling95 W (manufacturer rating)
Noise25 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-8330 Ultra Single tower Air CPU Cooler1,349$69Compare
Teralux CL-4630 Edge Low profile Air CPU Cooler522$19Compare
Brontix CL-5836 Pro Dual tower Air CPU Cooler1,438$59Compare
Caldera CL-5899 SE Single tower Air CPU Cooler940$29Compare
Caldera CL-4898 Prime 360mm AIO Liquid CPU Cooler2,410$169Compare
Caldera CL-4429 Pro Single tower Air CPU Cooler1,752$99Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-9621 Ultra Low profile Air CPU Cooler”, https://vextor7.com/item/929591 (accessed 2026-10-21).