Hardware Spec Index

Brontix FN-3984 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3984-PRIME · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index568 (Case Fans scale)
Category rank#42,103
Street price$19
Power3 W
Performance per dollar29.89
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3984 Prime
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-4123 Plus 120mm PWM ARGB Case Fan (3-Pack)1,303$49Compare
Teralux FN-1401 Plus 120mm PWM ARGB Case Fan891$29Compare
Brontix FN-8698 Ti 140mm PWM Case Fan790$19Compare
Teralux FN-2507 Ti 120mm PWM Case Fan387$9Compare
Zephyra FN-2263 Pro 140mm PWM Case Fan785$19Compare
Brontix FN-6326 Core 120mm PWM Case Fan594$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3984 Prime 140mm PWM Case Fan”, https://vextor7.com/item/8749609 (accessed 2026-10-22).