Hardware Spec Index

Zephyra FN-4971 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4971-PRO · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index373 (Case Fans scale)
Category rank#19,152
Street price$19
Power2 W
Performance per dollar19.63
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4971 Pro
Size120 × 120 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4971 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/393353 (accessed 2026-10-20).