Hardware Spec Index

Zephyra CL-3901 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3901-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index955 (CPU Coolers scale)
Category rank#47,663
Street price$29
Power13 W
Performance per dollar32.93
Released2024

Specifications

BrandZephyra
ModelZephyra CL-3901 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 30 mm thick
Fans2× 140 mm, up to 1,800 RPM
Pump3,000 RPM
Rated cooling280 W (manufacturer rating)
Noise36 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-3901 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/3068034 (accessed 2026-10-20).