Hardware Spec Index

Zephyra FN-3976 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3976-PRO · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index1,282 (Case Fans scale)
Category rank#36,539
Street price$49
Power3 W
Performance per dollar26.16
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3976 Pro
Size140 × 140 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3976 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/8285348 (accessed 2026-10-21).