Hardware Spec Index

Zephyra CL-3964 Prime 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3964-PRIME · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index828 (CPU Coolers scale)
Category rank#35,808
Street price$29
Power13 W
Performance per dollar28.55
Released2024

Specifications

BrandZephyra
ModelZephyra CL-3964 Prime
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 1,600 RPM
Pump3,200 RPM
Rated cooling280 W (manufacturer rating)
Noise24 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-3964 Prime 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/19661985 (accessed 2026-10-19).