Hardware Spec Index

Zephyra CL-3697 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3697-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index1,189 (CPU Coolers scale)
Category rank#31,581
Street price$49
Power13 W
Performance per dollar24.27
Released2025

Specifications

BrandZephyra
ModelZephyra CL-3697 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 30 mm thick
Fans2× 140 mm, up to 2,000 RPM
Pump2,800 RPM
Rated cooling280 W (manufacturer rating)
Noise30 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-3697 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/6829252 (accessed 2026-10-26).