Hardware Spec Index

Brontix FN-4645 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4645-PRIME · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index375 (Case Fans scale)
Category rank#37,871
Street price$9
Power4 W
Performance per dollar41.67
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4645 Prime
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-4374 Core 120mm PWM Case Fan (3-Pack)235$9Compare
Teralux FN-6598 Ti 120mm PWM ARGB Case Fan960$29Compare
Caldera FN-1637 Plus 120mm PWM ARGB Case Fan (3-Pack)906$29Compare
Corvane FN-9159 Max 120mm PWM ARGB Case Fan1,378$49Compare
Caldera FN-3707 SE 120mm PWM ARGB Case Fan1,324$49Compare
Corvane FN-3341 Edge 120mm PWM ARGB Case Fan (3-Pack)1,013$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4645 Prime 140mm PWM Case Fan”, https://vextor7.com/item/93679231 (accessed 2026-10-22).