Hardware Spec Index

Caldera CL-3966 Pro 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL3966-PRO · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index568 (CPU Coolers scale)
Category rank#4,570
Street price$19
Power12 W
Performance per dollar29.89
Released2020

Specifications

BrandCaldera
ModelCaldera CL-3966 Pro
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,900 RPM
Pump3,100 RPM
Rated cooling250 W (manufacturer rating)
Noise29 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-4432 Edge Dual tower Air CPU Cooler1,893$119Compare
Brontix CL-4319 Pro Dual tower Air CPU Cooler2,305$189Compare
Brontix CL-2445 Plus Low profile Air CPU Cooler1,117$39Compare
Zephyra CL-7914 Ultra 360mm AIO Liquid CPU Cooler1,940$119Compare
Teralux CL-9943 Ti 360mm AIO Liquid CPU Cooler1,588$79Compare
Zephyra CL-1218 Pro 360mm AIO Liquid CPU Cooler1,508$79Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-3966 Pro 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/2957258 (accessed 2026-10-19).