Hardware Spec Index

Zephyra FN-4256 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4256-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index827 (Case Fans scale)
Category rank#18,211
Street price$29
Power3 W
Performance per dollar28.52
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4256 Ultra
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4256 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/2207451 (accessed 2026-10-23).