Hardware Spec Index

Brontix FN-7940 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN7940-PRO · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index291 (Case Fans scale)
Category rank#27,275
Street price$9
Power3 W
Performance per dollar32.33
Released2021

Specifications

BrandBrontix
ModelBrontix FN-7940 Pro
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-1869 Ultra 140mm PWM ARGB Case Fan (3-Pack)1,335$49Compare
Caldera FN-5097 Edge 120mm PWM ARGB Case Fan1,097$29Compare
Zephyra FN-1889 Prime 120mm PWM Case Fan584$19Compare
Brontix FN-6398 Plus 120mm PWM Case Fan (3-Pack)715$19Compare
Brontix FN-1903 Edge 120mm PWM ARGB Case Fan (3-Pack)1,277$49Compare
Zephyra FN-6637 Ti 140mm PWM ARGB Case Fan (3-Pack)1,041$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-7940 Pro 140mm PWM Case Fan”, https://vextor7.com/item/1925408 (accessed 2026-10-19).