Hardware Spec Index

Zephyra FN-4904 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4904-PRIME · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index308 (Case Fans scale)
Category rank#34,312
Street price$9
Power4 W
Performance per dollar34.22
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4904 Prime
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4904 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1228503 (accessed 2026-10-25).