Hardware Spec Index

Caldera CL-3940 SE 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL3940-SE · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,083 (CPU Coolers scale)
Category rank#24,381
Street price$39
Power12 W
Performance per dollar27.77
Released2021

Specifications

BrandCaldera
ModelCaldera CL-3940 SE
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,500 RPM
Pump3,100 RPM
Rated cooling250 W (manufacturer rating)
Noise34 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
Brontix CL-9891 SE 240mm AIO Liquid CPU Cooler1,095$39Compare
Brontix CL-6330 Max 240mm AIO Liquid CPU Cooler670$19Compare
Zephyra CL-1683 Edge 240mm AIO Liquid CPU Cooler1,163$49Compare
Teralux CL-9835 SE 280mm AIO Liquid CPU Cooler1,122$39Compare
Caldera CL-2061 Core 280mm AIO Liquid CPU Cooler1,447$59Compare
Caldera CL-2771 Edge Single tower Air CPU Cooler949$29Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-3940 SE 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/5652804 (accessed 2026-10-19).