Hardware Spec Index

Zephyra CL-1858 Pro 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL1858-PRO · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index2,249 (CPU Coolers scale)
Category rank#9,638
Street price$189
Power17 W
Performance per dollar11.90
Released2019

Specifications

BrandZephyra
ModelZephyra CL-1858 Pro
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 2,300 RPM
Pump3,000 RPM
Rated cooling330 W (manufacturer rating)
Noise33 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-1858 Pro 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/6972671 (accessed 2026-10-19).