Hardware Spec Index

Zephyra CL-4138 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4138-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,320 (CPU Coolers scale)
Category rank#30,241
Street price$49
Power13 W
Performance per dollar26.94
Released2022

Specifications

BrandZephyra
ModelZephyra CL-4138 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 30 mm thick
Fans2× 140 mm, up to 2,300 RPM
Pump2,900 RPM
Rated cooling280 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

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Cite this page: Hardware Spec Index, “Zephyra CL-4138 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/48756848 (accessed 2026-10-20).