Hardware Spec Index

Zephyra CL-4903 SE 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4903-SE · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index1,531 (CPU Coolers scale)
Category rank#32,739
Street price$69
Power13 W
Performance per dollar22.19
Released2020

Specifications

BrandZephyra
ModelZephyra CL-4903 SE
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 2,500 RPM
Pump2,800 RPM
Rated cooling280 W (manufacturer rating)
Noise34 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

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Cite this page: Hardware Spec Index, “Zephyra CL-4903 SE 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/31679324 (accessed 2026-10-21).