Hardware Spec Index

Brontix FN-7904 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN7904-PRIME · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index736 (Case Fans scale)
Category rank#39,250
Street price$19
Power4 W
Performance per dollar38.74
Released2019

Specifications

BrandBrontix
ModelBrontix FN-7904 Prime
Size140 × 140 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-9315 Plus 140mm PWM ARGB Case Fan1,270$39Compare
Caldera FN-7509 XT 140mm PWM ARGB Case Fan1,126$39Compare
Caldera FN-8930 SE 140mm PWM Case Fan751$19Compare
Corvane FN-5875 Max 120mm PWM Case Fan578$19Compare
Teralux FN-1042 Pro 140mm PWM Case Fan536$19Compare
Caldera FN-7930 Ultra 120mm PWM Case Fan797$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-7904 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5250451 (accessed 2026-10-20).