Hardware Spec Index

Zephyra CL-4756 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4756-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,071 (CPU Coolers scale)
Category rank#5,789
Street price$39
Power13 W
Performance per dollar27.46
Released2020

Specifications

BrandZephyra
ModelZephyra CL-4756 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 2,100 RPM
Pump2,900 RPM
Rated cooling280 W (manufacturer rating)
Noise27 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-4756 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/17883259 (accessed 2026-10-25).