Hardware Spec Index

Zephyra CL-5539 Pro 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL5539-PRO · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index2,044 (CPU Coolers scale)
Category rank#23,740
Street price$129
Power17 W
Performance per dollar15.84
Released2022

Specifications

BrandZephyra
ModelZephyra CL-5539 Pro
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,200 RPM
Pump3,000 RPM
Rated cooling330 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-5539 Pro 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/5752263 (accessed 2026-10-22).