Hardware Spec Index

Caldera CL-9991 Pro 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL9991-PRO · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index2,259 (CPU Coolers scale)
Category rank#49,250
Street price$169
Power17 W
Performance per dollar13.37
Released2025

Specifications

BrandCaldera
ModelCaldera CL-9991 Pro
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,300 RPM
Pump3,000 RPM
Rated cooling330 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 SocketIntel LGA1851 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Brontix CL-8541 XT Single tower Air CPU Cooler933$29Compare
Teralux CL-9614 Plus Dual tower Air CPU Cooler1,953$149Compare
Teralux CL-7391 Max 360mm AIO Liquid CPU Cooler1,473$79Compare
Teralux CL-7648 Core Dual tower Air CPU Cooler1,938$129Compare
Caldera CL-3533 Edge 420mm AIO Liquid CPU Cooler1,858$109Compare
Brontix CL-1655 Core Low profile Air CPU Cooler894$29Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-9991 Pro 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/9504292 (accessed 2026-10-18).