Hardware Spec Index

Zephyra FN-3947 Core 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3947-CORE · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index1,140 (Case Fans scale)
Category rank#4,625
Street price$39
Power3 W
Performance per dollar29.23
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3947 Core
Size120 × 120 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-5528 Ti 140mm PWM Case Fan225$9Compare
Zephyra FN-9756 Edge 140mm PWM Case Fan668$19Compare
Caldera FN-1128 Ultra 140mm PWM Case Fan732$19Compare
Zephyra FN-8240 Edge 140mm PWM Case Fan465$19Compare
Corvane FN-3655 Pro 120mm PWM ARGB Case Fan1,152$39Compare
Zephyra FN-7308 SE 120mm PWM Case Fan (3-Pack)474$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3947 Core 120mm PWM ARGB Case Fan”, https://vextor7.com/item/458658 (accessed 2026-10-18).