Hardware Spec Index

Brontix FN-9977 Plus 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9977-PLUS · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,144 (Case Fans scale)
Category rank#45,944
Street price$29
Power4 W
Performance per dollar39.45
Released2025

Specifications

BrandBrontix
ModelBrontix FN-9977 Plus
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise29 dBA
BearingMagnetic levitation
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
Corvane FN-6661 XT 120mm PWM ARGB Case Fan1,325$49Compare
Caldera FN-5425 Ultra 140mm PWM Case Fan551$19Compare
Caldera FN-9003 Ti 120mm PWM Case Fan (3-Pack)633$19Compare
Brontix FN-5039 Plus 120mm PWM Case Fan736$19Compare
Caldera FN-5337 Plus 140mm PWM Case Fan636$19Compare
Brontix FN-2731 Ti 140mm PWM ARGB Case Fan1,400$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-9977 Plus 120mm PWM ARGB Case Fan”, https://vextor7.com/item/6910097 (accessed 2026-10-21).