Hardware Spec Index

Zephyra CL-3964 Prime 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3964-PRIME · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index527 (CPU Coolers scale)
Category rank#26,351
Street price$19
Power12 W
Performance per dollar27.74
Released2024

Specifications

BrandZephyra
ModelZephyra CL-3964 Prime
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,500 RPM
Pump2,800 RPM
Rated cooling250 W (manufacturer rating)
Noise29 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 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/95294592 (accessed 2026-10-25).