Hardware Spec Index

Brontix FN-9951 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9951-PRIME · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index854 (Case Fans scale)
Category rank#27,822
Street price$29
Power4 W
Performance per dollar29.45
Released2025

Specifications

BrandBrontix
ModelBrontix FN-9951 Prime
Size140 × 140 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-7824 SE 120mm PWM Case Fan (3-Pack)652$19Compare
Brontix FN-6375 SE 120mm PWM Case Fan (3-Pack)514$19Compare
Caldera FN-3289 Prime 120mm PWM Case Fan222$9Compare
Caldera FN-1226 Pro 140mm PWM ARGB Case Fan880$29Compare
Zephyra FN-5103 SE 120mm PWM ARGB Case Fan (3-Pack)1,081$39Compare
Caldera FN-3562 Max 140mm PWM ARGB Case Fan1,288$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-9951 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/19082770 (accessed 2026-10-19).