Hardware Spec Index

Brontix FN-7631 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN7631-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index218 (Case Fans scale)
Category rank#554
Street price$9
Power3 W
Performance per dollar24.22
Released2021

Specifications

BrandBrontix
ModelBrontix FN-7631 Ultra
Size140 × 140 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-2431 Prime 120mm PWM ARGB Case Fan1,114$39Compare
Brontix FN-3385 Prime 120mm PWM ARGB Case Fan (3-Pack)865$29Compare
Brontix FN-7648 Ultra 120mm PWM ARGB Case Fan1,052$39Compare
Caldera FN-8995 Ultra 120mm PWM Case Fan577$19Compare
Zephyra FN-3278 XT 140mm PWM ARGB Case Fan1,243$49Compare
Caldera FN-6411 Core 120mm PWM Case Fan284$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-7631 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/95540780 (accessed 2026-10-21).