Hardware Spec Index

Teralux FN-6891 Pro 140mm PWM Case Fan

Case Fans · Teralux · SKU FN6891-PRO · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index775 (Case Fans scale)
Category rank#27,918
Street price$19
Power4 W
Performance per dollar40.79
Released2026

Specifications

BrandTeralux
ModelTeralux FN-6891 Pro
Size140 × 140 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-7687 Ti 120mm PWM Case Fan466$19Compare
Caldera FN-8199 Edge 120mm PWM ARGB Case Fan867$29Compare
Zephyra FN-1714 Ultra 120mm PWM Case Fan661$19Compare
Zephyra FN-8148 Ultra 140mm PWM Case Fan550$19Compare
Teralux FN-3336 Edge 140mm PWM ARGB Case Fan1,400$49Compare
Zephyra FN-4559 Ti 120mm PWM ARGB Case Fan1,179$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-6891 Pro 140mm PWM Case Fan”, https://vextor7.com/item/4175213 (accessed 2026-10-24).