Hardware Spec Index

Zephyra FN-4657 Pro 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4657-PRO · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,083 (Case Fans scale)
Category rank#49,716
Street price$39
Power3 W
Performance per dollar27.77
Released2023

Specifications

BrandZephyra
ModelZephyra FN-4657 Pro
Size140 × 140 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4657 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/20048153 (accessed 2026-10-20).