Hardware Spec Index

Zephyra FN-4975 Pro 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4975-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,020 (Case Fans scale)
Category rank#28,348
Street price$39
Power4 W
Performance per dollar26.15
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4975 Pro
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4975 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/1538035 (accessed 2026-10-22).