Hardware Spec Index

Zephyra FN-3557 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3557-PRO · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index818 (Case Fans scale)
Category rank#38,256
Street price$29
Power4 W
Performance per dollar28.21
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3557 Pro
Size120 × 120 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3557 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1023067 (accessed 2026-10-24).