Hardware Spec Index

Zephyra FN-4989 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4989-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index307 (Case Fans scale)
Category rank#33,332
Street price$9
Power3 W
Performance per dollar34.11
Released2020

Specifications

BrandZephyra
ModelZephyra FN-4989 Ultra
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4989 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/1490499 (accessed 2026-10-21).