Hardware Spec Index

Teralux FN-6991 Plus 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN6991-PLUS · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index706 (Case Fans scale)
Category rank#24,537
Street price$19
Power4 W
Performance per dollar37.16
Released2020

Specifications

BrandTeralux
ModelTeralux FN-6991 Plus
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-6773 Core 140mm PWM Case Fan339$9Compare
Caldera FN-7546 XT 140mm PWM Case Fan590$19Compare
Brontix FN-9219 SE 140mm PWM ARGB Case Fan1,310$49Compare
Zephyra FN-5971 Prime 120mm PWM Case Fan218$9Compare
Teralux FN-7217 Edge 120mm PWM Case Fan (3-Pack)423$9Compare
Brontix FN-7384 Plus 120mm PWM ARGB Case Fan816$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-6991 Plus 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4353585 (accessed 2026-10-19).