Hardware Spec Index

Zephyra FN-5581 Prime 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN5581-PRIME · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index856 (Case Fans scale)
Category rank#5,264
Street price$29
Power4 W
Performance per dollar29.52
Released2019

Specifications

BrandZephyra
ModelZephyra FN-5581 Prime
Size120 × 120 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise32 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-5581 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/7809037 (accessed 2026-10-22).