Hardware Spec Index

Teralux FN-9781 Prime 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN9781-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,296 (Case Fans scale)
Category rank#6,413
Street price$49
Power3 W
Performance per dollar26.45
Released2022

Specifications

BrandTeralux
ModelTeralux FN-9781 Prime
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-1893 SE 120mm PWM ARGB Case Fan938$29Compare
Caldera FN-1463 Prime 140mm PWM ARGB Case Fan1,051$39Compare
Brontix FN-1376 SE 120mm PWM Case Fan740$19Compare
Brontix FN-5519 XT 120mm PWM ARGB Case Fan (3-Pack)914$29Compare
Brontix FN-8098 SE 120mm PWM Case Fan (3-Pack)647$19Compare
Teralux FN-9842 Ultra 140mm PWM ARGB Case Fan1,389$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-9781 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/92943328 (accessed 2026-10-19).