Hardware Spec Index

Zephyra FN-3557 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3557-PRIME · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index601 (Case Fans scale)
Category rank#30,623
Street price$19
Power4 W
Performance per dollar31.63
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3557 Prime
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3557 Prime 120mm PWM Case Fan”, https://vextor7.com/item/4371738 (accessed 2026-10-23).