Hardware Spec Index

Zephyra CL-3818 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3818-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index1,819 (CPU Coolers scale)
Category rank#45,141
Street price$99
Power13 W
Performance per dollar18.37
Released2020

Specifications

BrandZephyra
ModelZephyra CL-3818 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 2,000 RPM
Pump3,000 RPM
Rated cooling280 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

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Cite this page: Hardware Spec Index, “Zephyra CL-3818 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/63256577 (accessed 2026-10-22).