Hardware Spec Index

Zephyra FN-4254 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4254-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index257 (Case Fans scale)
Category rank#17,496
Street price$9
Power2 W
Performance per dollar28.56
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4254 Ultra
Size120 × 120 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4254 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7754354 (accessed 2026-10-23).