Hardware Spec Index

Zephyra CL-4396 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4396-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index814 (CPU Coolers scale)
Category rank#10,312
Street price$29
Power13 W
Performance per dollar28.07
Released2024

Specifications

BrandZephyra
ModelZephyra CL-4396 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 2,100 RPM
Pump3,400 RPM
Rated cooling280 W (manufacturer rating)
Noise33 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-4396 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4699238 (accessed 2026-10-23).