Hardware Spec Index

Zephyra CL-1643 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL1643-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index691 (CPU Coolers scale)
Category rank#38,793
Street price$19
Power12 W
Performance per dollar36.37
Released2023

Specifications

BrandZephyra
ModelZephyra CL-1643 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 38 mm thick
Fans2× 120 mm, up to 1,600 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-1643 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4903736 (accessed 2026-10-23).