Hardware Spec Index

Zephyra CL-4891 Ultra 360mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4891-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index1,728 (CPU Coolers scale)
Category rank#1,362
Street price$99
Power15 W
Performance per dollar17.45
Released2025

Specifications

BrandZephyra
ModelZephyra CL-4891 Ultra
TypeAll-in-one liquid cooler
Radiator360 mm, aluminum, 38 mm thick
Fans3× 120 mm, up to 2,500 RPM
Pump2,800 RPM
Rated cooling300 W (manufacturer rating)
Noise35 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-4891 Ultra 360mm AIO Liquid CPU Cooler”, https://vextor7.com/item/35451949 (accessed 2026-10-20).