Hardware Spec Index

Zephyra FN-3747 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3747-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index245 (Case Fans scale)
Category rank#3,756
Street price$9
Power3 W
Performance per dollar27.22
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3747 Pro
Size140 × 140 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-1176 Pro 140mm PWM Case Fan392$9Compare
Zephyra FN-8194 Core 120mm PWM Case Fan683$19Compare
Zephyra FN-2858 Pro 120mm PWM ARGB Case Fan (3-Pack)1,376$49Compare
Brontix FN-5304 Plus 140mm PWM ARGB Case Fan (3-Pack)1,137$39Compare
Brontix FN-3284 Ti 140mm PWM ARGB Case Fan (3-Pack)810$29Compare
Corvane FN-9658 Plus 120mm PWM Case Fan407$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3747 Pro 140mm PWM Case Fan”, https://vextor7.com/item/7174609 (accessed 2026-10-24).