Hardware Spec Index

Zephyra FN-3700 Core 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3700-CORE · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index737 (Case Fans scale)
Category rank#15,662
Street price$19
Power3 W
Performance per dollar38.79
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3700 Core
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-7340 Prime 120mm PWM Case Fan674$19Compare
Caldera FN-4296 Prime 120mm PWM ARGB Case Fan1,042$29Compare
Teralux FN-1667 XT 120mm PWM ARGB Case Fan773$29Compare
Brontix FN-3944 SE 120mm PWM ARGB Case Fan (3-Pack)1,333$49Compare
Brontix FN-5527 Core 120mm PWM Case Fan322$9Compare
Zephyra FN-4681 Ultra 120mm PWM ARGB Case Fan (3-Pack)1,220$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3700 Core 140mm PWM Case Fan”, https://vextor7.com/item/21754816 (accessed 2026-10-25).