Hardware Spec Index

Teralux FN-8391 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN8391-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index499 (Case Fans scale)
Category rank#5,642
Street price$19
Power4 W
Performance per dollar26.26
Released2020

Specifications

BrandTeralux
ModelTeralux FN-8391 Ultra
Size120 × 120 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-4418 Max 140mm PWM Case Fan (3-Pack)286$9Compare
Caldera FN-3392 Ti 120mm PWM Case Fan651$19Compare
Brontix FN-1224 XT 120mm PWM ARGB Case Fan1,228$39Compare
Zephyra FN-3581 Pro 120mm PWM ARGB Case Fan (3-Pack)1,065$29Compare
Caldera FN-7461 Plus 120mm PWM ARGB Case Fan1,145$39Compare
Corvane FN-9307 Core 120mm PWM Case Fan468$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-8391 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/24377434 (accessed 2026-10-26).