Hardware Spec Index

Brontix FN-9931 Edge 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9931-EDGE · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index477 (Case Fans scale)
Category rank#22,966
Street price$9
Power3 W
Performance per dollar53.00
Released2025

Specifications

BrandBrontix
ModelBrontix FN-9931 Edge
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise26 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-1031 XT 140mm PWM Case Fan (3-Pack)670$19Compare
Caldera FN-6717 Ti 120mm PWM Case Fan675$19Compare
Corvane FN-8243 Ultra 120mm PWM Case Fan707$19Compare
Zephyra FN-4953 SE 120mm PWM ARGB Case Fan (3-Pack)1,387$49Compare
Teralux FN-4367 XT 120mm PWM ARGB Case Fan862$29Compare
Corvane FN-3317 Prime 140mm PWM Case Fan (3-Pack)696$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-9931 Edge 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/73039482 (accessed 2026-10-26).