Hardware Spec Index

Zephyra FN-3891 SE 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3891-SE · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index738 (Case Fans scale)
Category rank#17,985
Street price$19
Power3 W
Performance per dollar38.84
Released2026

Specifications

BrandZephyra
ModelZephyra FN-3891 SE
Size120 × 120 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3891 SE 120mm PWM Case Fan”, https://vextor7.com/item/20139096 (accessed 2026-10-22).