Hardware Spec Index

Zephyra CL-1739 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL1739-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index828 (CPU Coolers scale)
Category rank#1,655
Street price$29
Power12 W
Performance per dollar28.55
Released2023

Specifications

BrandZephyra
ModelZephyra CL-1739 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 2,200 RPM
Pump2,800 RPM
Rated cooling250 W (manufacturer rating)
Noise30 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-1739 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/99834769 (accessed 2026-10-24).