Hardware Spec Index

Zephyra FN-3691 SE 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3691-SE · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index376 (Case Fans scale)
Category rank#7,492
Street price$9
Power3 W
Performance per dollar41.78
Released2025

Specifications

BrandZephyra
ModelZephyra FN-3691 SE
Size120 × 120 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3691 SE 120mm PWM Case Fan”, https://vextor7.com/item/75538782 (accessed 2026-10-24).