Hardware Spec Index

Caldera CL-9639 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL9639-ULTRA · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index2,195 (CPU Coolers scale)
Category rank#12,943
Street price$179
Power17 W
Performance per dollar12.26
Released2022

Specifications

BrandCaldera
ModelCaldera CL-9639 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 1,900 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise31 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
Teralux CL-4782 Core Single tower Air CPU Cooler1,448$69Compare
Caldera CL-6466 Ultra Single tower Air CPU Cooler715$19Compare
Zephyra CL-6334 XT Low profile Air CPU Cooler760$19Compare
Zephyra CL-1526 Pro Dual tower Air CPU Cooler1,920$119Compare
Brontix CL-3553 Edge 240mm AIO Liquid CPU Cooler661$19Compare
Caldera CL-3171 Core Single tower Air CPU Cooler1,599$79Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-9639 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/486233 (accessed 2026-10-18).