Hardware Spec Index

Zephyra FN-4321 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4321-PRO · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index1,336 (Case Fans scale)
Category rank#3,650
Street price$49
Power3 W
Performance per dollar27.27
Released2023

Specifications

BrandZephyra
ModelZephyra FN-4321 Pro
Size140 × 140 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise34 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-4321 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/15528477 (accessed 2026-10-22).