Hardware Spec Index

Zephyra CL-3818 Pro 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3818-PRO · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index2,179 (CPU Coolers scale)
Category rank#49,627
Street price$159
Power17 W
Performance per dollar13.70
Released2019

Specifications

BrandZephyra
ModelZephyra CL-3818 Pro
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 2,300 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-3818 Pro 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4775883 (accessed 2026-10-21).