Hardware Spec Index

Zephyra FN-3947 Prime 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3947-PRIME · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index788 (Case Fans scale)
Category rank#31,407
Street price$29
Power4 W
Performance per dollar27.17
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3947 Prime
Size120 × 120 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-4041 Pro 140mm PWM ARGB Case Fan1,127$39Compare
Corvane FN-2143 Plus 120mm PWM Case Fan451$19Compare
Corvane FN-8665 Prime 120mm PWM Case Fan700$19Compare
Zephyra FN-8354 Edge 120mm PWM Case Fan428$9Compare
Corvane FN-1598 SE 120mm PWM Case Fan618$19Compare
Corvane FN-2676 Pro 120mm PWM ARGB Case Fan1,300$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3947 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/6983158 (accessed 2026-10-23).