Hardware Spec Index

Brontix FN-4040 XT 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4040-XT · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index816 (Case Fans scale)
Category rank#38,393
Street price$29
Power3 W
Performance per dollar28.14
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4040 XT
Size140 × 140 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise33 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
Caldera FN-7278 Max 120mm PWM ARGB Case Fan1,344$49Compare
Caldera FN-8765 Ti 140mm PWM ARGB Case Fan1,346$49Compare
Brontix FN-9081 Ultra 120mm PWM Case Fan773$19Compare
Zephyra FN-5346 Prime 120mm PWM ARGB Case Fan (3-Pack)1,179$39Compare
Corvane FN-4949 Ultra 140mm PWM Case Fan (3-Pack)298$9Compare
Brontix FN-5543 Plus 120mm PWM Case Fan371$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4040 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/3436710 (accessed 2026-10-21).