Hardware Spec Index

Brontix FN-3998 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3998-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index937 (Case Fans scale)
Category rank#35,130
Street price$29
Power3 W
Performance per dollar32.31
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3998 Ultra
Size120 × 120 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-6845 SE 120mm PWM ARGB Case Fan1,281$39Compare
Corvane FN-3865 Core 120mm PWM ARGB Case Fan (3-Pack)1,297$39Compare
Teralux FN-7248 Ti 120mm PWM ARGB Case Fan (3-Pack)1,240$39Compare
Teralux FN-5982 Edge 140mm PWM Case Fan (3-Pack)231$9Compare
Teralux FN-7015 Max 120mm PWM ARGB Case Fan1,337$49Compare
Brontix FN-7357 Plus 140mm PWM Case Fan426$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3998 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/1552006 (accessed 2026-10-19).