Hardware Spec Index

Zephyra FN-4917 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4917-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index267 (Case Fans scale)
Category rank#46,546
Street price$9
Power3 W
Performance per dollar29.67
Released2022

Specifications

BrandZephyra
ModelZephyra FN-4917 Ultra
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4917 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/87723629 (accessed 2026-10-25).