Hardware Spec Index

Zephyra CL-9911 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL9911-ULTRA · Released 2023 · Updated 2026-10-18

Key facts

Benchmark index1,237 (CPU Coolers scale)
Category rank#49,347
Street price$49
Power13 W
Performance per dollar25.24
Released2023

Specifications

BrandZephyra
ModelZephyra CL-9911 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 2,400 RPM
Pump3,400 RPM
Rated cooling280 W (manufacturer rating)
Noise35 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-9911 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/91557571 (accessed 2026-10-18).