Hardware Spec Index

Brontix FN-4399 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4399-XT · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index429 (Case Fans scale)
Category rank#21,276
Street price$19
Power3 W
Performance per dollar22.58
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4399 XT
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-3276 Plus 120mm PWM Case Fan382$9Compare
Brontix FN-5556 Pro 140mm PWM Case Fan (3-Pack)444$9Compare
Teralux FN-2116 Ultra 140mm PWM Case Fan619$19Compare
Corvane FN-3686 Prime 140mm PWM Case Fan508$19Compare
Teralux FN-9870 SE 120mm PWM Case Fan540$19Compare
Zephyra FN-8380 Edge 140mm PWM ARGB Case Fan1,195$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4399 XT 140mm PWM Case Fan”, https://vextor7.com/item/3927909 (accessed 2026-10-20).