Hardware Spec Index

Zephyra CL-2978 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL2978-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index922 (CPU Coolers scale)
Category rank#44,941
Street price$29
Power13 W
Performance per dollar31.79
Released2024

Specifications

BrandZephyra
ModelZephyra CL-2978 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 1,500 RPM
Pump3,000 RPM
Rated cooling280 W (manufacturer rating)
Noise27 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

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Cite this page: Hardware Spec Index, “Zephyra CL-2978 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/71661788 (accessed 2026-10-25).