Hardware Spec Index

Teralux FN-1786 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN1786-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index421 (Case Fans scale)
Category rank#2,780
Street price$9
Power3 W
Performance per dollar46.78
Released2026

Specifications

BrandTeralux
ModelTeralux FN-1786 Ultra
Size140 × 140 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-5461 Prime 120mm PWM Case Fan603$19Compare
Zephyra FN-4579 Edge 120mm PWM Case Fan659$19Compare
Teralux FN-1495 Core 140mm PWM Case Fan575$19Compare
Caldera FN-6531 Pro 120mm PWM Case Fan395$9Compare
Zephyra FN-9593 Plus 120mm PWM ARGB Case Fan1,044$39Compare
Caldera FN-4073 Ultra 140mm PWM ARGB Case Fan1,400$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-1786 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4525847 (accessed 2026-10-22).