Hardware Spec Index

Zephyra CL-9937 Pro 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL9937-PRO · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index2,480 (CPU Coolers scale)
Category rank#46,976
Street price$199
Power17 W
Performance per dollar12.46
Released2025

Specifications

BrandZephyra
ModelZephyra CL-9937 Pro
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,100 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise28 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-9937 Pro 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/7323762 (accessed 2026-10-26).