Hardware Spec Index

Zephyra FN-4391 Plus 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4391-PLUS · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,313 (Case Fans scale)
Category rank#18,614
Street price$49
Power3 W
Performance per dollar26.80
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4391 Plus
Size120 × 120 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4391 Plus 120mm PWM ARGB Case Fan”, https://vextor7.com/item/506751 (accessed 2026-10-19).