Hardware Spec Index

Zephyra CL-4256 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4256-ULTRA · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index858 (CPU Coolers scale)
Category rank#1,398
Street price$29
Power12 W
Performance per dollar29.59
Released2026

Specifications

BrandZephyra
ModelZephyra CL-4256 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 2,200 RPM
Pump3,100 RPM
Rated cooling250 W (manufacturer rating)
Noise32 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-4256 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/92190 (accessed 2026-10-19).