Hardware Spec Index

Zephyra FN-3521 Plus 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3521-PLUS · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index681 (Case Fans scale)
Category rank#21,257
Street price$19
Power2 W
Performance per dollar35.84
Released2026

Specifications

BrandZephyra
ModelZephyra FN-3521 Plus
Size140 × 140 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3521 Plus 140mm PWM Case Fan”, https://vextor7.com/item/8367183 (accessed 2026-10-19).