Hardware Spec Index

Zephyra FN-3948 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3948-PRIME · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index245 (Case Fans scale)
Category rank#6,639
Street price$9
Power4 W
Performance per dollar27.22
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3948 Prime
Size120 × 120 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3948 Prime 120mm PWM Case Fan”, https://vextor7.com/item/28298037 (accessed 2026-10-19).