Hardware Spec Index

Zephyra FN-3321 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3321-PRO · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index730 (Case Fans scale)
Category rank#7,912
Street price$19
Power3 W
Performance per dollar38.42
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3321 Pro
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3321 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7019243 (accessed 2026-10-19).