Hardware Spec Index

Zephyra FN-4478 Prime 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4478-PRIME · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index947 (Case Fans scale)
Category rank#13,499
Street price$29
Power3 W
Performance per dollar32.66
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4478 Prime
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4478 Prime 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/31922993 (accessed 2026-10-23).