Hardware Spec Index

Brontix FN-9704 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9704-PRIME · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index865 (Case Fans scale)
Category rank#4,036
Street price$29
Power4 W
Performance per dollar29.83
Released2022

Specifications

BrandBrontix
ModelBrontix FN-9704 Prime
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-7694 Prime 120mm PWM ARGB Case Fan (3-Pack)912$29Compare
Zephyra FN-7971 Core 140mm PWM Case Fan603$19Compare
Brontix FN-5737 Plus 140mm PWM Case Fan751$19Compare
Brontix FN-7693 Core 140mm PWM Case Fan342$9Compare
Caldera FN-6671 SE 120mm PWM ARGB Case Fan943$29Compare
Caldera FN-9853 SE 120mm PWM ARGB Case Fan (3-Pack)956$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-9704 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/46353843 (accessed 2026-10-18).