Hardware Spec Index

Caldera CL-8909 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL8909-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index2,349 (CPU Coolers scale)
Category rank#4,534
Street price$189
Power17 W
Performance per dollar12.43
Released2022

Specifications

BrandCaldera
ModelCaldera CL-8909 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 1,900 RPM
Pump3,400 RPM
Rated cooling330 W (manufacturer rating)
Noise32 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Brontix CL-1071 SE Dual tower Air CPU Cooler1,610$99Compare
Brontix CL-9486 Edge Single tower Air CPU Cooler1,404$69Compare
Caldera CL-3927 Pro Low profile Air CPU Cooler610$19Compare
Caldera CL-9094 Prime Low profile Air CPU Cooler1,002$39Compare
Zephyra CL-3308 Prime 240mm AIO Liquid CPU Cooler699$19Compare
Brontix CL-1258 Prime Single tower Air CPU Cooler1,646$79Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-8909 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/50837496 (accessed 2026-10-20).