Hardware Spec Index

Caldera CL-3964 Prime 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL3964-PRIME · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,270 (CPU Coolers scale)
Category rank#6,372
Street price$149
Power17 W
Performance per dollar15.23
Released2021

Specifications

BrandCaldera
ModelCaldera CL-3964 Prime
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,400 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise26 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-4368 Edge 360mm AIO Liquid CPU Cooler1,362$59Compare
Brontix CL-3427 Prime Low profile Air CPU Cooler1,277$49Compare
Caldera CL-6316 Max 240mm AIO Liquid CPU Cooler937$29Compare
Brontix CL-4188 Pro Low profile Air CPU Cooler1,217$39Compare
Brontix CL-9986 XT Single tower Air CPU Cooler1,584$89Compare
Brontix CL-3808 Plus Dual tower Air CPU Cooler2,117$129Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-3964 Prime 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/6759840 (accessed 2026-10-20).