Hardware Spec Index

Brontix FN-7645 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN7645-PRO · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index482 (Case Fans scale)
Category rank#35,635
Street price$9
Power3 W
Performance per dollar53.56
Released2019

Specifications

BrandBrontix
ModelBrontix FN-7645 Pro
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise33 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
Corvane FN-1506 Core 120mm PWM Case Fan523$19Compare
Caldera FN-9657 Ultra 120mm PWM Case Fan752$29Compare
Zephyra FN-1266 SE 120mm PWM Case Fan (3-Pack)464$19Compare
Zephyra FN-3807 Ultra 120mm PWM Case Fan255$9Compare
Zephyra FN-4055 Pro 140mm PWM ARGB Case Fan (3-Pack)1,362$49Compare
Zephyra FN-5881 XT 120mm PWM Case Fan374$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-7645 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/402188 (accessed 2026-10-19).