Hardware Spec Index

Brontix FN-3879 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3879-PRIME · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index559 (Case Fans scale)
Category rank#3,704
Street price$19
Power4 W
Performance per dollar29.42
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3879 Prime
Size140 × 140 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-5163 Core 120mm PWM Case Fan429$19Compare
Teralux FN-5175 Ultra 120mm PWM Case Fan (3-Pack)523$19Compare
Zephyra FN-3432 Pro 120mm PWM ARGB Case Fan1,367$49Compare
Corvane FN-6419 Ultra 140mm PWM Case Fan606$19Compare
Caldera FN-6804 Ti 120mm PWM Case Fan207$9Compare
Brontix FN-7522 Pro 120mm PWM Case Fan587$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3879 Prime 140mm PWM Case Fan”, https://vextor7.com/item/6748417 (accessed 2026-10-22).