Hardware Spec Index

Zephyra FN-5855 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN5855-PRIME · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index439 (Case Fans scale)
Category rank#49,844
Street price$19
Power4 W
Performance per dollar23.11
Released2020

Specifications

BrandZephyra
ModelZephyra FN-5855 Prime
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5855 Prime 120mm PWM Case Fan”, https://vextor7.com/item/20140994 (accessed 2026-10-20).