Hardware Spec Index

Caldera CL-5406 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL5406-ULTRA · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index2,359 (CPU Coolers scale)
Category rank#6,486
Street price$189
Power17 W
Performance per dollar12.48
Released2019

Specifications

BrandCaldera
ModelCaldera CL-5406 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,200 RPM
Pump3,000 RPM
Rated cooling330 W (manufacturer rating)
Noise30 dBA (max)
Tubing400 mm, sleeved EPDM
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-5404 Core 240mm AIO Liquid CPU Cooler1,341$49Compare
Brontix CL-3890 Core Single tower Air CPU Cooler1,565$79Compare
Zephyra CL-2228 Pro 280mm AIO Liquid CPU Cooler1,674$99Compare
Brontix CL-8938 Prime Dual tower Air CPU Cooler2,102$129Compare
Caldera CL-7995 Ultra Dual tower Air CPU Cooler1,794$109Compare
Brontix CL-2834 Plus 360mm AIO Liquid CPU Cooler1,664$99Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-5406 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/8302592 (accessed 2026-10-21).