Hardware Spec Index

Zephyra CL-4278 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4278-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index1,085 (CPU Coolers scale)
Category rank#22,725
Street price$39
Power13 W
Performance per dollar27.82
Released2024

Specifications

BrandZephyra
ModelZephyra CL-4278 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 1,800 RPM
Pump3,000 RPM
Rated cooling280 W (manufacturer rating)
Noise31 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-4278 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/8034648 (accessed 2026-10-22).