Hardware Spec Index

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

Case Fans · Zephyra · SKU FN3557-PRIME · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index632 (Case Fans scale)
Category rank#12,996
Street price$19
Power4 W
Performance per dollar33.26
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3557 Prime
Size120 × 120 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3557 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7550859 (accessed 2026-10-24).