Hardware Spec Index

Zephyra CL-5988 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL5988-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index2,180 (CPU Coolers scale)
Category rank#19,204
Street price$169
Power17 W
Performance per dollar12.90
Released2026

Specifications

BrandZephyra
ModelZephyra CL-5988 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 1,700 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise26 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

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Cite this page: Hardware Spec Index, “Zephyra CL-5988 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/3701283 (accessed 2026-10-23).