Hardware Spec Index

Caldera CL-1918 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL1918-ULTRA · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index2,468 (CPU Coolers scale)
Category rank#38,139
Street price$199
Power17 W
Performance per dollar12.40
Released2022

Specifications

BrandCaldera
ModelCaldera CL-1918 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 2,400 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise31 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 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-4889 XT Low profile Air CPU Cooler924$29Compare
Caldera CL-9281 Prime 240mm AIO Liquid CPU Cooler852$29Compare
Zephyra CL-8911 XT 240mm AIO Liquid CPU Cooler852$29Compare
Teralux CL-2994 Edge 280mm AIO Liquid CPU Cooler1,035$39Compare
Brontix CL-9371 Prime Low profile Air CPU Cooler536$19Compare
Brontix CL-8063 Max Dual tower Air CPU Cooler1,732$89Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-1918 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/8077299 (accessed 2026-10-21).