Hardware Spec Index

Brontix FN-7842 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN7842-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index412 (Case Fans scale)
Category rank#12,966
Street price$9
Power4 W
Performance per dollar45.78
Released2024

Specifications

BrandBrontix
ModelBrontix FN-7842 Ultra
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-9251 Max 140mm PWM ARGB Case Fan (3-Pack)1,077$29Compare
Teralux FN-8285 Plus 140mm PWM Case Fan762$19Compare
Caldera FN-2347 Ultra 120mm PWM Case Fan348$9Compare
Caldera FN-5452 Pro 120mm PWM Case Fan (3-Pack)247$9Compare
Brontix FN-6465 Ti 120mm PWM Case Fan577$19Compare
Brontix FN-1781 Pro 140mm PWM ARGB Case Fan (3-Pack)1,037$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-7842 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/1784593 (accessed 2026-10-20).