Hardware Spec Index

Zephyra FN-3743 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3743-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index577 (Case Fans scale)
Category rank#3,210
Street price$19
Power3 W
Performance per dollar30.37
Released2026

Specifications

BrandZephyra
ModelZephyra FN-3743 Ultra
Size140 × 140 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-8570 XT 140mm PWM Case Fan582$19Compare
Caldera FN-8694 Pro 140mm PWM ARGB Case Fan (3-Pack)1,163$39Compare
Teralux FN-9288 Edge 120mm PWM Case Fan510$19Compare
Brontix FN-6763 Ultra 140mm PWM ARGB Case Fan (3-Pack)960$29Compare
Corvane FN-1501 Plus 120mm PWM Case Fan507$19Compare
Zephyra FN-9598 Ti 120mm PWM ARGB Case Fan1,250$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3743 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/10020195 (accessed 2026-10-21).