Hardware Spec Index

Brontix FN-3981 Plus 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3981-PLUS · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index840 (Case Fans scale)
Category rank#34,077
Street price$29
Power4 W
Performance per dollar28.97
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3981 Plus
Size120 × 120 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-6237 Plus 120mm PWM ARGB Case Fan1,041$39Compare
Zephyra FN-5669 SE 120mm PWM Case Fan753$19Compare
Corvane FN-8369 Plus 120mm PWM Case Fan289$9Compare
Teralux FN-1185 Core 140mm PWM Case Fan726$29Compare
Zephyra FN-5495 Edge 120mm PWM Case Fan (3-Pack)641$19Compare
Corvane FN-5558 XT 120mm PWM ARGB Case Fan (3-Pack)1,026$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3981 Plus 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/2048839 (accessed 2026-10-23).