Hardware Spec Index

Zephyra FN-3749 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3749-PRIME · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index646 (Case Fans scale)
Category rank#17,428
Street price$19
Power3 W
Performance per dollar34.00
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3749 Prime
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3749 Prime 120mm PWM Case Fan”, https://vextor7.com/item/20176473 (accessed 2026-10-21).