Hardware Spec Index

Zephyra CL-3900 Ultra 360mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3900-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index2,211 (CPU Coolers scale)
Category rank#9,530
Street price$139
Power15 W
Performance per dollar15.91
Released2025

Specifications

BrandZephyra
ModelZephyra CL-3900 Ultra
TypeAll-in-one liquid cooler
Radiator360 mm, aluminum, 27 mm thick
Fans3× 120 mm, up to 1,700 RPM
Pump3,300 RPM
Rated cooling300 W (manufacturer rating)
Noise25 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

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Cite this page: Hardware Spec Index, “Zephyra CL-3900 Ultra 360mm AIO Liquid CPU Cooler”, https://vextor7.com/item/6607263 (accessed 2026-10-20).