Hardware Spec Index

Brontix FN-4687 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4687-PRIME · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,211 (Case Fans scale)
Category rank#975
Street price$39
Power3 W
Performance per dollar31.05
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4687 Prime
Size140 × 140 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Zephyra FN-7356 Prime 120mm PWM Case Fan718$19Compare
Teralux FN-1083 XT 120mm PWM Case Fan616$19Compare
Corvane FN-9135 Plus 140mm PWM ARGB Case Fan1,398$49Compare
Caldera FN-4059 SE 140mm PWM Case Fan376$9Compare
Zephyra FN-6434 Ti 120mm PWM ARGB Case Fan1,341$49Compare
Brontix FN-1224 Pro 120mm PWM Case Fan349$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4687 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/5014609 (accessed 2026-10-20).