Hardware Spec Index

Zephyra CL-3990 Plus 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3990-PLUS · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index799 (CPU Coolers scale)
Category rank#39,052
Street price$19
Power12 W
Performance per dollar42.05
Released2022

Specifications

BrandZephyra
ModelZephyra CL-3990 Plus
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 38 mm thick
Fans2× 120 mm, up to 1,800 RPM
Pump3,000 RPM
Rated cooling250 W (manufacturer rating)
Noise31 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-1613 Core Single tower Air CPU Cooler1,139$39Compare
Brontix CL-2044 XT 240mm AIO Liquid CPU Cooler754$19Compare
Brontix CL-8506 Pro Dual tower Air CPU Cooler2,391$199Compare
Zephyra CL-4018 Pro Dual tower Air CPU Cooler2,480$199Compare
Brontix CL-9936 Ultra 420mm AIO Liquid CPU Cooler1,965$129Compare
Caldera CL-3062 SE Low profile Air CPU Cooler764$19Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-3990 Plus 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/6232353 (accessed 2026-10-22).