Hardware Spec Index

Zephyra FN-9521 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN9521-PRIME · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index554 (Case Fans scale)
Category rank#24,446
Street price$19
Power3 W
Performance per dollar29.16
Released2025

Specifications

BrandZephyra
ModelZephyra FN-9521 Prime
Size140 × 140 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9521 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4092346 (accessed 2026-10-21).