Hardware Spec Index

Zephyra FN-9731 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN9731-PRIME · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index250 (Case Fans scale)
Category rank#13,399
Street price$9
Power4 W
Performance per dollar27.78
Released2026

Specifications

BrandZephyra
ModelZephyra FN-9731 Prime
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9731 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5484630 (accessed 2026-10-20).