Hardware Spec Index

Brontix FN-4939 Max 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4939-MAX · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index351 (Case Fans scale)
Category rank#12,454
Street price$9
Power3 W
Performance per dollar39.00
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4939 Max
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-1164 XT 120mm PWM Case Fan758$19Compare
Corvane FN-5372 Ti 120mm PWM Case Fan714$19Compare
Zephyra FN-2416 Prime 120mm PWM Case Fan662$19Compare
Caldera FN-6925 Plus 140mm PWM ARGB Case Fan1,014$39Compare
Caldera FN-7553 Pro 120mm PWM Case Fan627$19Compare
Zephyra FN-3395 Max 120mm PWM Case Fan431$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4939 Max 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/9875715 (accessed 2026-10-20).