Hardware Spec Index

Zephyra CL-3999 Core 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3999-CORE · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index1,389 (CPU Coolers scale)
Category rank#42,495
Street price$69
Power13 W
Performance per dollar20.13
Released2023

Specifications

BrandZephyra
ModelZephyra CL-3999 Core
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 2,300 RPM
Pump3,400 RPM
Rated cooling280 W (manufacturer rating)
Noise34 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-3999 Core 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/50352061 (accessed 2026-10-26).