Hardware Spec Index

Zephyra CL-3998 Max 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3998-MAX · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index1,841 (CPU Coolers scale)
Category rank#8,301
Street price$129
Power17 W
Performance per dollar14.27
Released2024

Specifications

BrandZephyra
ModelZephyra CL-3998 Max
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,200 RPM
Pump2,900 RPM
Rated cooling330 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-3998 Max 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/85545049 (accessed 2026-10-25).