Hardware Spec Index

Zephyra FN-4256 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4256-PRO · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index282 (Case Fans scale)
Category rank#45,290
Street price$9
Power4 W
Performance per dollar31.33
Released2020

Specifications

BrandZephyra
ModelZephyra FN-4256 Pro
Size140 × 140 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4256 Pro 140mm PWM Case Fan”, https://vextor7.com/item/954089 (accessed 2026-10-19).