Hardware Spec Index

Zephyra CL-4977 Edge 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4977-EDGE · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index2,259 (CPU Coolers scale)
Category rank#29,962
Street price$199
Power17 W
Performance per dollar11.35
Released2021

Specifications

BrandZephyra
ModelZephyra CL-4977 Edge
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,800 RPM
Pump3,000 RPM
Rated cooling330 W (manufacturer rating)
Noise25 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-4977 Edge 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4589023 (accessed 2026-10-25).