Hardware Spec Index

Zephyra FN-2904 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN2904-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index557 (Case Fans scale)
Category rank#17,654
Street price$19
Power3 W
Performance per dollar29.32
Released2021

Specifications

BrandZephyra
ModelZephyra FN-2904 Prime
Size120 × 120 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-2904 Prime 120mm PWM Case Fan”, https://vextor7.com/item/600847 (accessed 2026-10-22).