Hardware Spec Index

Zephyra FN-4981 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4981-PRO · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index510 (Case Fans scale)
Category rank#49,291
Street price$19
Power4 W
Performance per dollar26.84
Released2022

Specifications

BrandZephyra
ModelZephyra FN-4981 Pro
Size140 × 140 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4981 Pro 140mm PWM Case Fan”, https://vextor7.com/item/501333 (accessed 2026-10-19).