Hardware Spec Index

Zephyra FN-3937 SE 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3937-SE · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index216 (Case Fans scale)
Category rank#49,965
Street price$9
Power3 W
Performance per dollar24.00
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3937 SE
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-8685 Max 120mm PWM Case Fan355$9Compare
Zephyra FN-3881 Max 120mm PWM Case Fan (3-Pack)338$9Compare
Zephyra FN-2953 Core 140mm PWM ARGB Case Fan1,326$49Compare
Caldera FN-7181 Ultra 120mm PWM ARGB Case Fan1,225$39Compare
Corvane FN-7236 Max 120mm PWM ARGB Case Fan1,094$39Compare
Brontix FN-6656 XT 120mm PWM ARGB Case Fan1,276$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3937 SE 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/381834 (accessed 2026-10-26).