Hardware Spec Index

Zephyra FN-4639 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4639-PRO · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index955 (Case Fans scale)
Category rank#33,967
Street price$29
Power4 W
Performance per dollar32.93
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4639 Pro
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4639 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4478563 (accessed 2026-10-26).