Hardware Spec Index

Zephyra FN-3993 Pro 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3993-PRO · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index704 (Case Fans scale)
Category rank#27,453
Street price$19
Power4 W
Performance per dollar37.05
Released2026

Specifications

BrandZephyra
ModelZephyra FN-3993 Pro
Size120 × 120 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3993 Pro 120mm PWM Case Fan”, https://vextor7.com/item/3744844 (accessed 2026-10-22).