Hardware Spec Index

Teralux FN-4178 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN4178-ULTRA · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index313 (Case Fans scale)
Category rank#12,644
Street price$9
Power3 W
Performance per dollar34.78
Released2022

Specifications

BrandTeralux
ModelTeralux FN-4178 Ultra
Size140 × 140 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise26 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
Caldera FN-7213 Edge 120mm PWM ARGB Case Fan (3-Pack)1,050$39Compare
Caldera FN-3353 SE 120mm PWM Case Fan (3-Pack)332$9Compare
Zephyra FN-2044 Ultra 140mm PWM Case Fan743$19Compare
Brontix FN-7382 Prime 120mm PWM ARGB Case Fan844$29Compare
Caldera FN-6072 Max 120mm PWM ARGB Case Fan (3-Pack)802$29Compare
Caldera FN-4851 SE 140mm PWM Case Fan401$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-4178 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/15744755 (accessed 2026-10-18).