Hardware Spec Index

Teralux FN-5709 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN5709-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index232 (Case Fans scale)
Category rank#11,060
Street price$9
Power2 W
Performance per dollar25.78
Released2021

Specifications

BrandTeralux
ModelTeralux FN-5709 Ultra
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise33 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-2938 SE 120mm PWM ARGB Case Fan926$29Compare
Corvane FN-1596 Core 140mm PWM ARGB Case Fan861$29Compare
Caldera FN-2484 Edge 120mm PWM ARGB Case Fan1,119$39Compare
Teralux FN-7823 Plus 140mm PWM ARGB Case Fan1,338$49Compare
Caldera FN-4267 SE 120mm PWM Case Fan450$19Compare
Caldera FN-3938 Plus 120mm PWM ARGB Case Fan937$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-5709 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5583161 (accessed 2026-10-23).