Hardware Spec Index

Brontix FN-3781 Core 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3781-CORE · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index1,026 (Case Fans scale)
Category rank#18,522
Street price$39
Power3 W
Performance per dollar26.31
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3781 Core
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 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
Teralux FN-2943 Ti 140mm PWM ARGB Case Fan (3-Pack)1,014$29Compare
Zephyra FN-6459 Ultra 120mm PWM Case Fan (3-Pack)314$9Compare
Brontix FN-2586 Core 120mm PWM Case Fan395$9Compare
Caldera FN-8039 Edge 120mm PWM ARGB Case Fan (3-Pack)1,048$39Compare
Caldera FN-7065 Core 140mm PWM ARGB Case Fan (3-Pack)1,104$39Compare
Caldera FN-2911 Pro 140mm PWM ARGB Case Fan1,272$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3781 Core 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/2590131 (accessed 2026-10-23).