Hardware Spec Index

Zephyra FN-6904 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN6904-PRIME · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index343 (Case Fans scale)
Category rank#22,604
Street price$9
Power3 W
Performance per dollar38.11
Released2026

Specifications

BrandZephyra
ModelZephyra FN-6904 Prime
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6904 Prime 140mm PWM Case Fan”, https://vextor7.com/item/3901699 (accessed 2026-10-19).