Hardware Spec Index

Zephyra FN-3647 Max 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3647-MAX · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index640 (Case Fans scale)
Category rank#13,223
Street price$19
Power4 W
Performance per dollar33.68
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3647 Max
Size140 × 140 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3647 Max 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/91662080 (accessed 2026-10-23).