Hardware Spec Index

Zephyra FN-3993 SE 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3993-SE · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index477 (Case Fans scale)
Category rank#17,521
Street price$19
Power3 W
Performance per dollar25.11
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3993 SE
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3993 SE 140mm PWM Case Fan”, https://vextor7.com/item/8801404 (accessed 2026-10-23).