Hardware Spec Index

Zephyra CL-4021 Core 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4021-CORE · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index978 (CPU Coolers scale)
Category rank#28,612
Street price$39
Power13 W
Performance per dollar25.08
Released2022

Specifications

BrandZephyra
ModelZephyra CL-4021 Core
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 30 mm thick
Fans2× 140 mm, up to 2,400 RPM
Pump3,200 RPM
Rated cooling280 W (manufacturer rating)
Noise33 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

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Cite this page: Hardware Spec Index, “Zephyra CL-4021 Core 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/13435357 (accessed 2026-10-24).