Hardware Spec Index

Brontix FN-3977 Core 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3977-CORE · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index209 (Case Fans scale)
Category rank#47,123
Street price$9
Power3 W
Performance per dollar23.22
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3977 Core
Size120 × 120 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-6797 Plus 120mm PWM Case Fan309$9Compare
Brontix FN-9707 Core 140mm PWM Case Fan (3-Pack)578$19Compare
Corvane FN-7166 Plus 120mm PWM Case Fan409$9Compare
Brontix FN-1953 Ti 140mm PWM ARGB Case Fan1,270$39Compare
Caldera FN-2790 Ti 140mm PWM ARGB Case Fan (3-Pack)866$29Compare
Brontix FN-5960 SE 140mm PWM Case Fan269$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3977 Core 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/590205 (accessed 2026-10-20).