Hardware Spec Index

Caldera CL-3890 Prime 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL3890-PRIME · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index2,277 (CPU Coolers scale)
Category rank#42,184
Street price$159
Power17 W
Performance per dollar14.32
Released2021

Specifications

BrandCaldera
ModelCaldera CL-3890 Prime
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,900 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise26 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-4075 Pro Low profile Air CPU Cooler1,268$49Compare
Caldera CL-6377 SE 360mm AIO Liquid CPU Cooler1,866$99Compare
Caldera CL-9271 Ti Single tower Air CPU Cooler1,283$49Compare
Zephyra CL-5496 Pro Single tower Air CPU Cooler1,070$39Compare
Brontix CL-3917 SE 280mm AIO Liquid CPU Cooler1,683$99Compare
Zephyra CL-3873 Max 280mm AIO Liquid CPU Cooler1,523$79Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-3890 Prime 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/92719103 (accessed 2026-10-25).