Hardware Spec Index

Zephyra FN-3891 Pro 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3891-PRO · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,324 (Case Fans scale)
Category rank#1,590
Street price$49
Power3 W
Performance per dollar27.02
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3891 Pro
Size120 × 120 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3891 Pro 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/8043274 (accessed 2026-10-19).