Hardware Spec Index

Brontix FN-1781 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN1781-PRO · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index532 (Case Fans scale)
Category rank#39,383
Street price$19
Power3 W
Performance per dollar28.00
Released2025

Specifications

BrandBrontix
ModelBrontix FN-1781 Pro
Size120 × 120 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise35 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-9226 Prime 120mm PWM Case Fan727$19Compare
Brontix FN-7653 Ultra 140mm PWM Case Fan630$19Compare
Zephyra FN-3621 SE 120mm PWM ARGB Case Fan888$29Compare
Brontix FN-4181 Pro 140mm PWM Case Fan636$19Compare
Corvane FN-5921 Core 140mm PWM Case Fan582$19Compare
Corvane FN-4180 SE 140mm PWM Case Fan633$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-1781 Pro 120mm PWM Case Fan”, https://vextor7.com/item/3964532 (accessed 2026-10-20).