Hardware Spec Index

Zephyra FN-3681 Max 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3681-MAX · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index254 (Case Fans scale)
Category rank#25,315
Street price$9
Power4 W
Performance per dollar28.22
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3681 Max
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3681 Max 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4594497 (accessed 2026-10-19).